ICD-9 Code 011.31 - Tuberculosis of bronchus, bacteriological or histological examination not done

ICD-9-CM Diagnosis Code 011.31

Diagnosis Code: 011.31 (Raw: 01131)

Description: Tuberculosis of bronchus, 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 011.31 is designated for Tuberculosis of bronchus, 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 While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.