ICD-9-CM Diagnosis Code 018.91
Diagnosis Code: 018.91 (Raw: 01891)
Description: Miliary tuberculosis, unspecified, 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 018.91 is designated for Miliary tuberculosis, unspecified, 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 While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.