ICD‑10 Code A159 – Respiratory tuberculosis unspecified Respiratory tuberculosis unspecified
Clinical context, related codes, and quick guidance
Billable
Active (Valid as of April 2025) · ICD-10-CM (US)
Code Details
| Code | A159 |
|---|---|
| Category | A15 – Respiratory tuberculosis Respiratory tuberculosis |
| Version | ICD-10-CM (US) |
| Status | Active (Valid as of April 2025) |
Plain‑English Summary
ICD-10-CM code A15.9 represents respiratory tuberculosis when the specific type or anatomical site within the respiratory system is not specified. It is a billable and specific diagnosis code used for reimbursement purposes, effective for the 2026 medical coding year.
When to Use This Code
- Respiratory tuberculosis, unspecified
Related Codes
Browse category »| Code | Description |
|---|---|
| A150 | Tuberculosis of lung Tuberculosis of lung |
| A154 | Tuberculosis of intrathoracic lymph nodes Tuberculosis of intrathoracic lymph nodes |
| A155 | Tuberculosis of larynx, trachea and bronchus Tuberculosis of larynx, trachea and bronchus |
| A156 | Tuberculous pleurisy Tuberculous pleurisy |
| A157 | Primary respiratory tuberculosis Primary respiratory tuberculosis |
| A158 | Other respiratory tuberculosis Other respiratory tuberculosis |
FAQ
ICD-10-CM code A15.9 represents "Respiratory tuberculosis unspecified," meaning tuberculosis affecting the respiratory system where the specific type or precise anatomical site is not detailed in the medical record.
Yes, A15.9 is a billable and specific ICD-10-CM code, which means healthcare providers can use it to indicate a diagnosis for insurance claims and reimbursement purposes.
The 2026 edition of ICD-10-CM A15.9 became effective on October 1, 2025, and is applicable for services rendered on or after that date.
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ICD-10 A15.9
A15.9 diagnosis code
Respiratory tuberculosis unspecified
Tuberculosis respiratory system
TB diagnosis code
Unspecified tuberculosis
ICD10 code for respiratory tuberculosis
Pulmonary tuberculosis code
ICD-10 tuberculosis
Billable ICD-10 A15.9
Tuberculosis code