ICD-9-CM Diagnosis Code 015.21
Diagnosis Code: 015.21 (Raw: 01521)
Description: Tuberculosis of knee, bacteriological or histological examination not done
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 015.21 is designated for Tuberculosis of knee, bacteriological or histological examination not done. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
