A15

Respiratory tuberculosis

FY2027Chapter 1: Certain infectious and parasitic diseases/A15–A19 Tuberculosis

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

A15 is a non-billable ICD-10-CM code category for respiratory tuberculosis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are A15.0 Tuberculosis of lung; A15.4 Tuberculosis of intrathoracic lymph nodes; A15.5 Tuberculosis of larynx, trachea and bronchus; A15.6 Tuberculous pleurisy and 3 more. Its coding notes include a Use additional code instruction, 7 Excludes1 entries and 5 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (2 notes)
Inherited from A15–A19 Tuberculosis
  • code, if applicable, for associated cachexia (E88.A)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • code to identify resistance to antimicrobial drugs (Z16.-)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Also from chapter/block level (7 notes)
Inherited from A15–A19 Tuberculosis
  • congenital tuberculosis (P37.0)
  • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
  • pneumoconiosis associated with tuberculosis, any type in A15 (J65)
  • positive PPD (R76.11)
  • positive tuberculin skin test without active tuberculosis (R76.11)
  • sequelae of tuberculosis (B90.-)
  • silicotuberculosis (J65)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (5 notes)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (2 notes)
Inherited from A15–A19 Tuberculosis
  • infections due to Mycobacterium tuberculosis and Mycobacterium bovis
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • diseases generally recognized as communicable or transmissible

More specific codes under A15 7