ICD-9-CM coding for physician billing.
D000043:Abstracting and Indexing; D014487:Centers for Medicare and Medicaid Services, U.S.; D003933:Diagnosis; D006801:Humans; D007357:Insurance, Physician Services / Q000331:legislation & jurisprudence*; D006278:Medicare / Q000331:legislation & jurisprudence*; D015442:Medicare Assignment / Q000331:legislation & jurisprudence*; D014481:United States