TY  - RPRT
TI  - Coding notes. The ICD-9-CM Coding Addendum effective Oct. 1, 1987 included a new code for respiratory failure 518.81.
AU  - R Finnegan
PY  - 1987
UR  - https://pubmed.ncbi.nlm.nih.gov/10312277/
ID  - 10312277
ER  -