A15.00 ICD-10-CA code: Tuberculosis of lung, confirmed by sputum microscopy with or without culture, with cavitation
A15.00 is the ICD-10-CA code for “Tuberculosis of lung, confirmed by sputum microscopy with or without culture, with cavitation” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
A15.00Tuberculosis of lung, confirmed by sputum microscopy with or without culture, with cavitation
Short description: TB lung confrm by sputm w cavtn
ICD-10-CA · Canada · Also written A1500
Index terms
Entries in CIHI’s alphabetical index that lead to A15.00. Searching the index by the condition the note names is how coders reach this code.
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), pulmonary (fibrotic) (infiltrative) (nodular), confirmed (by), sputum microscopy with or without culture, with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), pulmonary (fibrotic) (infiltrative) (nodular), confirmed (by), bacteriologically (molecular biological method), with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), pulmonary (fibrotic) (infiltrative) (nodular), confirmed (by), bacteriologically (molecular biological method), polymerase chain reaction with or without culture, with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), pulmonary (fibrotic) (infiltrative) (nodular), confirmed (by), bacteriologically (molecular biological method), nucleic acid amplification test with or without culture, with cavitation
Notes for A15.00
As CIHI prints them, with any note A15.00 takes from the headings above it.
Includes
- Tuberculosis of lung, bacteriologically confirmedTuberculous: bronchiectasis, fibrosis of lung, pneumonia, pneumothorax — confirmed bacteriologically with or without cultureFrom A15.0 Tuberculosis of lung, confirmed by sputum microscopy with or without culture
- Infections due to Mycobacterium tuberculosis and Mycobacterium bovisFrom A15-A19 Tuberculosis
- Diseases generally recognized as communicable or transmissibleFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Use additional code
Add a code for this detail when the note documents it.
- Use additional code (U82-U84) to identify resistance to antimicrobial drugsFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Excludes
Conditions classified elsewhere.
- Confirmed by culture only (A15.1)From A15.0 Tuberculosis of lung, confirmed by sputum microscopy with or without culture
- Congenital tuberculosis (P37.0)pneumoconiosis associated with tuberculosis (J65)sequelae of tuberculosis (B90.-)silicotuberculosis (J65)From A15-A19 Tuberculosis
- Carrier or suspected carrier of infectious disease (Z22.-)certain localized infections - see body system-related chaptersinfectious and parasitic diseases:• complicating pregnancy, childbirth and the puerperium [except obstetrical tetanus] (O98.-)• specific to the perinatal period [except tetanus neonatorum, whooping cough, congenital syphilis, perinatal gonococcal infection and perinatal human immunodeficiency virus [HIV] disease] (P35-P39)influenza and other acute respiratory infections (J00-J22)From Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Where A15.00 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block A15-A19Tuberculosis
- 3Category A15Respiratory tuberculosis, bacteriologically and histologically confirmed
- 4Subcategory A15.0Tuberculosis of lung, confirmed by sputum microscopy with or without culture
- 5Valid code A15.00Tuberculosis of lung, confirmed by sputum microscopy with or without culture, with cavitation
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code A15.00 mean?
A15.00 is the ICD-10-CA code for “Tuberculosis of lung, confirmed by sputum microscopy with or without culture, with cavitation” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is A15.00 in ICD-10-CA?
A15.00 sits under A15.0 Tuberculosis of lung, confirmed by sputum microscopy with or without culture, within A15 Respiratory tuberculosis, bacteriologically and histologically confirmed, within A15-A19 Tuberculosis, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to A15.00?
ICD-10-CA lists Includes, Excludes, Use additional code notes for A15.00, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.