A18.89 Tuberculosis of other sites
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The ICD-10-CM code for Tuberculosis of other sites is A18.89 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- A15-A19: Tuberculosis (A15-A19)
- Category A18
- 38 codes (32 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to A18.89:
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › anemia
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › mammary gland
- Endarteritis (bacterial, subacute) (infective) › tuberculous
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › artery, arteritis
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › tuberculous
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › breast
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › connective tissue (systemic)
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endarteritis
Inclusion Terms
- Tuberculosis of muscle
- Tuberculous cerebral arteritis
U.S. Hospital Utilization
- An estimated 80 U.S. inpatient stays in 2023 included A18.89 among the documented diagnoses.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference A18.89 with the canonical source and edition:
A18.89 — Tuberculosis of other sites. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A18.89
Canonical URL: https://icd10codingpro.com/codes/A18.89