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PubMed1993

Economic/reimbursement issues in MR imaging with gadolinium contrast agents.

Implementation of an accurate, reliable index of cost effectiveness would help to advance technology assessment and reimbursement of MR imaging procedures, including gadolinium enhancement. To this end, an objective, consensual measure that satisfies the need for "gold-standard" confirmation of diagnostic impressions in routine clinical practice and limits interpreter bias has been developed. Eponymously termed Diagnostic Merit, this barometer is expressed as the percentage of independent judges confirming diagnostic impressions entered by case-blinded radiologists assigned unenhanced and enhanced image sets for interpretation. The judges, who are informed of clinical indications, clinical follow-up, and unblinded diagnostic interpretation of the MR scans, confirm only those case-blind interpretations deemed "close enough for diagnostic utility" to actual clinical profiles. According to this method, gadopentetate dimeglumine has been shown to be cost effective by promoting optimal diagnostic performance. This improvement in utility offsets the cost of the gadolinium contrast agent. Efficacies of gadodiamide and gadoteridol, two other contrast agents in development, have been demonstrated by other measures but are probably also evaluable through the Diagnostic Merit method. CPT-4 codes for contrast-enhanced MR imaging are reviewed.

Cost-Benefit Analysis↗
PubMed2004

Reimbursement and costs of pediatric ambulatory diabetes care by using the resource-based relative value scale: is multidisciplinary care financially viable?

BACKGROUND: The ambulatory care for children with diabetes mellitus (DM) within an endocrinology specialty practice typically includes services provided by a multidisciplinary team. The resource-based relative value scale (RBRVS) is increasingly used to determine payments for ambulatory services in pediatrics. It is not known to what extent resource-based practice expenses and physician work values as allocated through the RBRVS for physician and non-physician practice expenses cover the actual costs of multidisciplinary ambulatory care for children with DM. STUDY SETTING: A pediatric endocrinology and diabetes clinic staffed by faculty physicians and hospital support staff in a children's hospital. METHODS: Data from a faculty practice plan billing records and income and expense reports during the period from 1 July 2000 to 30 June 2001 were used to determine endocrinologist physician ambulatory productivity, revenue collection, and direct expenses (salary, benefits, billing, and professional liability (PLI)). Using the RBRVS, ambulatory care revenue was allocated between physician, PLI, and practice expenses. Applying the activity-based costing (ABC) method, activity logs were used to determine non-physician and facility practice expenses associated with endocrine (ENDO) or diabetes visits. RESULTS: Of the 4735 ambulatory endocrinology visits, 1420 (30%) were for DM care. Physicians generated $866,582 in gross charges. Cash collections of 52% of gross charges provided revenue of $96 per visit. Using the actual Current Procedural Terminology (CPT)-4 codes reported for these services and the RBRVS system, the revenue associated with the 13,007 total relative value units (TRVUs) produced was allocated, with 58% going to cover physician work expenses and 42% to cover non-physician practice salary, facility, and PLI costs. Allocated revenue of $40.60 per visit covered 16 and 31% of non-physician and facility practice expenses per DM and general ENDO visit, respectively. RBRVS payments ($35/RVU) covered 46% of all expenses ($76.74/RVU), including 132% of physician expenses for the time worked in the clinic ($27/RVU), and only 23% of actual incurred practice expenses ($152/TRVU). CONCLUSIONS: Clinical revenues in a pediatric endocrinology practice, allocated by using the RBRVS system, do cover physician expenses for the time spent working in a hospital ENDO and DM clinic, but do not closely approximate non-physician and facility practice expenses while delivering multidisciplinary care to children with DM. Using payment based on the RBRVS system, and without additional payments to compensate for increased practice expenses incurred in the delivery of multidisciplinary care, this care model may not be financially viable.

Ambulatory Care↗
PubMed2003

Racial differences in the receipt of bowel surveillance following potentially curative colorectal cancer surgery.

OBJECTIVE: To investigate racial differences in posttreatment bowel surveillance after colorectal cancer surgery in a large population of Medicare patients. DATA SOURCES: We used a large population-based dataset: Surveillance, Epidemiology, and End Results (SEER) linked to Medicare data. STUDY DESIGN: This is a retrospective cohort study. We analyzed data from 44,768 non-Hispanic white, 2,921 black, and 4,416 patients from other racial/ethnic groups, aged 65 and older at diagnosis, who had a diagnosis of local or regional colorectal cancer between 1986 and 1996, and were followed through December 31, 1998. Cox Proportional Hazards models were used to investigate the relation of race and receipt of posttreatment bowel surveillance. DATA COLLECTION: Sociodemographic, hospital, and clinical characteristics were collected at the time of diagnosis for all members of the cohort. Surgery and bowel surveillance with colonoscopy, sigmoidoscopy, and barium enema were obtained from Medicare claims using ICD-9-CM and CPT-4 codes. PRINCIPAL FINDINGS: The chance of surveillance within 18 months of surgery was 57 percent, 48 percent, and 45 percent for non-Hispanic whites, blacks, and others, respectively. After adjusting for sociodemographic, hospital, and clinical characteristics, blacks were 25 percent less likely than whites to receive surveillance if diagnosed between 1991 and 1996 (RR = 0.75, 95 percent CI = 0.70-0.81). CONCLUSIONS: Elderly blacks were less likely than non-Hispanic whites to receive posttreatment bowel surveillance and this result was not explained by measured racial differences in sociodemographic, hospital, and clinical characteristics. More research is needed to explore the influences of patient- and provider-level factors on racial differences in posttreatment bowel surveillance.

Aftercare↗
PubMedDate not supplied

Isolating the cost of osteoporosis-related fracture for postmenopausal women. A population-based study.

BACKGROUND: Osteoporosis is a condition that will pose an increasing burden on health systems as populations age. OBJECTIVE: The objective of this study was to estimate the net 'per case' direct medical cost of fracture of indigent women age 50 years or greater and describe the cost of fracture for Medicaid and Medicare payers by inpatient hospital, physician, long-term care, prescription and miscellaneous expenditures. METHODS: This study utilized a quasi-experimental retrospective interrupted time series design to isolate the economic impact of fracture. Administrative claims data for a continuous period of 24 months (12 months prior to fracture and 12 months after fracture) describing the Medicaid and Medicare expenditures for a cohort of women suffering from femur or other fracture in 1993 was abstracted and analyzed. ICD-9CM and CPT-4 codes were used to identify incident cases of fracture. Interrupted time series regression models were estimated using monthly expenditures. RESULTS: A total of 765 Medicaid eligible women 50 years of age or greater experienced a fracture in the base year and met inclusion criteria. Of these, 226 experienced a femur fracture. The time series models detected significant increases in expenditures the month of fracture, however, total Medicaid expenditures returned to baseline trend charge in 7 and 5 months for femur and nonfemur fracture, respectively. Increases in long-term care expenditures persisted throughout the time series, but were offset by reductions in other categories of service. CONCLUSION: The net per case costs of femur and nonfemur fracture are about USD 3,300 and USD 1,300, respectively. The impact of fracture on Medicaid expenditures is temporary as costs rise sharply and return to baseline trend charges within a 12-month period.

Aged↗
PubMed2006

Validating CPT typical times for Medicare office evaluation and management (E/M) services.

Every 5 years, the federal government reviews the Medicare Fee Schedule for changes in the work effort physicians personally devote to office visits. Using physician face-to-face times reported in the Centers for Disease Control and Prevention's National Ambulatory Care Survey (NAMCS), guideline office visit times associated with the 1997-1998 mix of Medicare claims averaged 9 percent longer versus NAMCS; Medicare billed visits with new patients were 32 percent longer. Surgeons and dermatologists had the largest discrepancies in Medicare versus NAMCS times. If CPT guideline times currently in use are now overstated, then intraservice work effort is likely overstated given the high correlation of time with work effort, and Medicare payment levels need to be reduced. Upcoding visit content to higher paid CPT visit codes may also explain seemingly longer Medicare billed times and call for payment reductions as well.

Current Procedural Terminology↗
PubMed1998

Impact of MR imaging on nationwide health care costs and comparison with other imaging procedures.

OBJECTIVE: We wished to determine the extent to which MR imaging contributes to the overall costs of imaging in the United States and to compare MR imaging costs with other imaging techniques. MATERIALS AND METHODS: All 23 current procedural terminology, version 4 (CPT-4) codes for MR imaging were extracted from the national 1993 Part B Medicare annual data reimbursement file. For each code, we calculated total Medicare physician reimbursements. Aggregate reimbursement for all MR imaging was compared with aggregate reimbursement for all 659 imaging-related current procedural terminology, version 4 codes and also with comparable figures for echocardiography and other categories of cardiovascular imaging. RESULTS: Within the 23 MR imaging codes, 1,449,911 examinations were performed on Medicare patients in 1993, for which physicians were reimbursed $370 million. Medicare reimbursement of physicians for all 659 imaging-related procedures was $5.3 billion. Thus, MR imaging accounted for only 7% of all imaging costs. By comparison, a group of just 10 imaging codes, which are primarily cardiovascular in nature, accounted for $1.67 billion, or 32% of the entire Part B costs for imaging. Reimbursements for echocardiography alone are more than twice those for MR imaging. CONCLUSION: From the national perspective, MR imaging does not appear to warrant its reputation as a costly procedure. The costs of echocardiography and other imaging related to the cardiovascular system are considerably higher.

Diagnostic Imaging↗
PubMed2002

Body MR imaging and CT volume: variations and trends based on an analysis of medicare and fee-for-service health insurance databases.

OBJECTIVE: We examined Medicare and fee-for-service data sets to understand better the utilization of MR imaging for imaging the pelvis, abdomen, and chest relative to its use in imaging for other body parts and to the utilization of CT. MATERIALS AND METHODS: CT and MR imaging procedure volumes for pelvis, abdomen, chest, and total were extracted from the 1993, 1996, and 1999 Health Care Financing Administration Physician/Supplier Procedure Summary Master Files, based on CPT-4 codes. We also analyzed a fee-for-service health insurance database for January 1998 through July 1999 from a single northeastern state, which included provider location (rural, suburban, or urban) and type (teaching or nonteaching site). RESULTS: The greatest 3-year Medicare increase was for abdominal MR imaging, from 1996 to 1999 (101% increase). However, pelvic, abdominal, and chest MR imaging together remained less than 5% of total MR imaging. Abdominal MR imaging increased more than did total MR imaging in all 10 Health Care Financing Administration regions. In the fee-for-service database, the relative procedure volume of abdominal MR imaging varied approximately fivefold from rural to urban provider locations, and approximately double from nonteaching to teaching hospitals. CONCLUSION: Although far more abdominal CT than abdominal MR imaging is performed, the rate of abdominal MR imaging utilization has increased more rapidly since 1993. The relative procedure volume of abdominal MR imaging varied more than fivefold from rural to urban provider locations and double from nonteaching to teaching hospitals.

Abdomen↗
PubMed1985

Decision making in pathology: what is the impact of economic and technologic change?

Diagnostic anatomic pathologists have to resolve a number of conflicts. They have been thrust into medical marketplace competition with which they have little experience. New technology and CPT-4 codes have given them an economic base at the same time that DRGs are limiting expenditures. Computerized surgical pathology reports are possible, but do they communicate useful information? So as not to be replaced by the very tools they use, the author explains why diagnostic anatomic pathologists must report useful information and select only the most cost-effective techniques.

Clinical Laboratory Techniques↗
PubMed2000

Endometrial biopsy using the Tao Brush method. A study of 50 women in a general gynecologic practice.

OBJECTIVE: To test whether the Tao Brush can retrieve sufficient endometrium for diagnosis and also to observe patients' tolerance of its use. STUDY DESIGN: Fifty women underwent Tao Brush sampling: 25 were sampled by Tao Brush alone, and the remainder were sampled by Pipelle immediately following. Patients' reactions to each method were observed. RESULTS: Pipelle currettes larger pieces of endometrium; the Tao Brush obtains smaller pieces. There was no discrepancy between Tao Brush and Pipelle except that Pipelle sampled two of five endometrial polyps, while the Tao Brush sampled none. There was less tissue insufficient for diagnosis with the Tao Brush (2%) than Pipelle (12%). Most patients did not show signs of distress during Tao Brush sampling but grimaced during Pipelle suction curettage. For each of the 16 patients in the second group, the Tao Brush was significantly less painful than Pipelle (P < .01). CONCLUSION: Our data suggest that the Tao Brush is an effective alternative endometrial sampler, causes less pain and produces less tissue insufficient for diagnosis than does the Pipelle. The CPT billing codes (58100) are the same for both the Pipelle and Tao Brush.

Adult↗
PubMed2000

Appropriate documentation, billing and coding in interventional pain practice.

Appropriate documentation, billing and coding in interventional pain practice is a crucial issue with a wide arena of regulatory reforms. There have been reports of billions of dollars in losses in health care fraud. Office of Inspector General reports a massive war on health fraud. Substantial savings from prepayment audits for Part B in 1999, and continued criminal filings by the Department of Justice indicate persistence of Health Care Financing Administration to combat fraud. In addition President Clinton's initiatives to fight Medicare waste, fraud, and abuse have created increased fear of investigation or prosecution among physicians, leading to changes in their practice patterns. Documentation of medical necessity with coding that correlates with multiple components of the patient's medical record, operative report, and billing statement is important. This review describes the regulatory issues, steps in documentation of medical necessity, appropriate billing and coding, and examples of codes describing CPT 1999 and 2000 for a multitude of procedures. These illustrations and the information provide practical considerations for the use of interventional techniques in the management of chronic pain based on the current state of the art and science of interventional pain management, rules and regulations. However, this article and its descriptions do not constitute legal advice.

Journal Article↗
PubMedDate not supplied

Using ICPC in a computer-based primary care information system.

INTRODUCTION: Although the framework of the episode of care offers much promise in examining the process of primary health care, the development of episode-oriented, automated data sources has proceeded slowly. Experience with the International Classification of Primary Care (ICPC) in the European Community has confirmed its usefulness in creating and analyzing episodes of care, but it has seen little use in the United States. We describe the development of a Primary Care Information System (PCIS), which employs ICPC to create episodes of care from routinely collected clinical data. METHODS: The PCIS is a partially computerized medical information system running on a standard Macintosh microcomputer. The PCIS integrates ICPC, ICD-9-CM, and CPT-4 coding structures to provide episode-oriented data for clinical, administrative, research, and reimbursement needs. The performance of the PCIS was assessed based on five major issues: clinician cooperation, data-entry accuracy, validity of episode data, cost, and perceived value to users. RESULTS: The data collection and entry process required minimal additional effort from clinicians and data-entry personnel, and data-entry accuracy exceeded published estimates for other primary care data sources. Data management costs of about $1 per encounter compare favorably to published estimates for other office-based clinical information systems. The major problem seen during pilot testing was inaccurate tracking of episode boundaries through changes in providers and consequent changes in labels for problems and diagnoses. This problem has been addressed in development of the second-generation PCIS. CONCLUSION: The combination of an episode-oriented framework such as ICPC and a flexible medical information system provides a promising platform for the study of the content and process of primary health care.

Family Practice↗
PubMed1997

Recent advances in MR spectroscopy expand its applications in neurologic disease.

MRS extends the diagnostic power of MRI by displaying the biochemical composition of a selected tissue or region. When MR imaging shows a lesion, the evaluation of the chemical composition by MRS can help determine whether biopsy, observation or medical treatment is indicated. It can save some patients from biopsy prior to radiation or chemotherapy. In the future, both the image information and the spatial distribution of chemical constituents throughout the brain will be displayed with techniques such as chemical shift imaging (CSI). MRS improves the accuracy of MRI diagnosis and prognosis. MRS is performed at many sites in the country and is reimbursed by many insurers. MRS has been approved by the AMA for a CPT-4 code for reimbursement.

Adult↗
PubMed1992

A guide to the new office evaluation and management codes for 1992.

The new office evaluation and management codes require an understanding of definitions that have been recently created by the Current Procedural Terminology (CPT) Editorial Panel. Code selection is based on seven components; the three key components are the history, the physical examination and medical decision making. Office visit codes are divided into five levels of visits, based on service. New-patient office visits require all three key components for any level visit; established-patient office visits require only two of the three components. The new office code descriptions were created to assist physicians in code selections. Only when counseling or coordination of care dominates the visit (e.g., more than 50 percent) is time to be considered a controlling factor. Physicians are urged not to code only from time descriptors. The 1992 CPT book will list only the new evaluation and management codes, deleting the old level-of-service codes. Physicians are encouraged to contact local insurance carriers to ensure that they will also be using the new codes in 1992.

Abstracting and Indexing↗
PubMed2006

Documentation and coding of ED patient encounters: an evaluation of the accuracy of an electronic medical record.

OBJECTIVE: The aim of the study was to describe a paper-based, template-driven and an electronic medical record used for capturing emergency care clinical information and to compare the accuracy of these documentation systems for coding patient encounters using the American Medical Association Current Procedural Terminology-2004 (AMA CPT-2004) evaluation and management codes intended for provider reimbursement. METHODS: A retrospective, cross-sectional study of 4-consecutive-day samples of ED patient encounter records from 2 similar community hospitals was done. For clinical documentation, hospital A uses an electronic medical record, whereas hospital B uses a paper-based template-driven record. Using a simple analytic model, expert coders A and B, respectively, coded the records from hospitals A and B for completeness. First, power analysis determined the acceptability of the patient record sample sizes (1 - beta = .90 at 1% significance level), and the frequency of AMA CPT-2004 primary evaluation and management codes 99281 through 99285 was calculated. Second, the completeness discrepancy rates for hospitals A and B were compared to determine the accuracy of both the paper-based, template-driven record and the electronic medical record in documenting and representing the clinical encounter. Third, interrater reliability between expert coders A and B was calculated to assess the level of agreement between each expert coder in determining the completeness discrepancy rates between hospitals A and B. Finally, the frequency of primary evaluation and management codes was analyzed to determine if there was a statistically significant difference between the paper-based, template-driven record and the electronic medical record representation of the clinical information, and if that difference could be attributable to the differing clinical documentation systems used in hospitals A and B. RESULTS: First, descriptive display demonstrated a difference in the frequency of the primary evaluation and management codes 99283 and 99284 within hospital A (expert coder A assessment, 36.1% vs 39.1%; expert coder B assessment, 36.6% vs 38.7%) and hospital B (expert coder A assessment, 47.8% vs 21.9%; expert coder B assessment, 48.6% vs 21.4%) was noted with the median, primary evaluation, and management code for hospital A of 99284 and the median, primary evaluation, and management code for hospital B of 99283. Second, Fisher exact test compared the completeness discrepancy rates between hospitals A and B as assessed by each expert coder and demonstrated no statistically significant difference in the completeness discrepancy rates (accuracy) between the paper-based, template-driven record and the electronic medical record documentation and coding system when assessed by either expert coder A (P = .370) or expert coder B (P = .819). Third, interrater reliability between expert coders A and B was evaluated using Cohen's kappa statistic. When evaluated both individually and jointly with respect to hospitals A and B, expert coders A and B had a good strength of agreement in their assessments of the accuracy of the documentation and coding system for hospital A (kappa = 0.6200) and hospital B (kappa = 0.6906) as well as for both hospitals evaluated together (kappa = 0.6616). Finally, interhospital differences in the frequency of primary evaluation and management codes were evaluated using Pearson chi(2) test with 3 df. The results for expert coder A (chi(2) = 47.4160; P < .001) and expert coder B (chi(2) = 46.5946; P < .001) recognize that there is a statistically significant degree of difference between hospitals A and B in the frequency distribution of primary evaluation and management codes, probably because of the dispersion of codes 99283 and 99284. CONCLUSIONS: A keystroke-driven, electronic medical record that resides on a knowledge platform that incorporates a clinical structured terminology, administrative coding schemata, AMA CPT-2004 codes and uses object-oriented, open-ended, branching chain clinical algorithms that "force" physician documentation of the clinical elements provides an equally accurate capture and representation of ED clinical encounter data as a paper-based, template-driven documentation system both in terms of the presence or absence of both the medically necessary, discrete data elements and the textual documentation-dependent, medical decision-making elements.

Chi-Square Distribution↗
PubMed1997

In vivo sequencing of camptothecin-induced topoisomerase I cleavage sites in human colon carcinoma cells.

Camptothecin (CPT) is a specific topoisomerase I (top1) poison which traps top1 cleavable complexes; e.g. top1-linked DNA single-strand breaks with 5'-hydroxyl and 3'-top1 linked termini. CPT is also a potent anticancer agent and several of its derivatives have recently shown activity in the chemotherapy of solid tumors. Our aim was to apply the ligation-mediated polymerase chain reaction (LM-PCR) method to DNA extracted from CPT-treated cells in order to: (i) evaluate LM-PCR as a sensitive technique to detect in vivo CPT-induced cleavable complexes; (ii) investigate the frequency and distribution of CPT-induced DNA damage in vivo ; and (iii) compare the distribution and intensity of cleavage sites in vivo and in vitro. This report describes a protocol allowing the sequencing of top1-mediated DNA strand breaks induced by CPT in the coding strand of the 18S rRNA gene of human colon carcinoma cells. CPT or its clinical derivatives, topotecan, CPT-11, SN-38, and 9-aminocamptothecin differed in their potency and exhibited differences in their DNA cleavage pattern, which is consistent with our previous in vitro studies [Tanizawa et al . (1995) Biochemistry , 43, 7200-7206]. CPT-induced DNA cleavages induced in the presence of purified top1 were induced at the same sites in the human 18S rDNA. However, the relative intensity of the cleavages were different in vivo and in vitro. Because mammalian cells contain approximately 300 copies of the rDNA gene per genome, rDNA could be used to monitor CPT-induced DNA cleavage in different cell lines and possibly in tumor samples.

Antineoplastic Agents, Phytogenic↗
PubMedDate not supplied

Coding for effective denial management.

Nearly everyone will agree that accurate and consistent coding of diagnoses and procedures is the cornerstone for operating a compliant practice. The CPT or HCPCS procedure code tells the payor what service was performed and also (in most cases) determines the amount of payment. The ICD-9-CM diagnosis code, on the other hand, tells the payor why the service was performed. If the diagnosis code does not meet the payor's criteria for medical necessity, all payment for the service will be denied. Implementation of an effective denial management program can help "stop the bleeding." Denial management is a comprehensive process that works in two ways. First, it evaluates the cause of denials and takes steps to prevent them. Second, denial management creates specific procedures for refiling or appealing claims that are initially denied. Accurate, consistent and compliant coding is key to both of these functions. The process of proactively managing claim denials also reveals a practice's administrative strengths and weaknesses, enabling radiology business managers to streamline processes, eliminate duplicated efforts and shift a larger proportion of the staff's focus from paperwork to servicing patients--all of which are sure to enhance operations and improve practice management and office morale. Accurate coding requires a program of ongoing training and education in both CPT and ICD-9-CM coding. Radiology business managers must make education a top priority for their coding staff. Front office staff, technologists and radiologists should also be familiar with the types of information needed for accurate coding. A good staff training program will also cover the proper use of Advance Beneficiary Notices (ABNs). Registration and coding staff should understand how to determine whether the patient's clinical history meets criteria for Medicare coverage, and how to administer an ABN if the exam is likely to be denied. Staff should also understand the restrictions on use of ABNs and the compliance risks associated with improper use. Finally, training programs should include routine audits to monitor coders for competence and precision. Constantly changing codes and guidelines mean that a coder's skills can quickly become obsolete if not reinforced by ongoing training and monitoring. Comprehensive reporting and routine analysis of claim denials is without a doubt one of the greatest assets to a practice that is suffering from excessive claim denials and should be considered an investment capable of providing both short and long term ROIs. Some radiologists may lack the funding or human resources needed to implement truly effective coding programs for their staff members. In these circumstances, radiology business managers should consider outsourcing their coding.

Current Procedural Terminology↗