A16.90 ICD-10-CA code: Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation, with cavitation
A16.90 is the ICD-10-CA code for “Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation, with cavitation” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
A16.90Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation, with cavitation
Short description: Resp TB unsp w/o bact /his confrm w cavt
ICD-10-CA · Canada · Also written A1690
Index terms
Entries in CIHI’s alphabetical index that lead to A16.90. Searching the index by the condition the note names is how coders reach this code.
- Phthisis, with cavitation
- Koch's infection, with cavitation
- Cachexia, tuberculous NEC, with cavitation
- Marasmus, tuberculous NEC, with cavitation
- Disease, diseased, tuberculous NEC, with cavitation
- Degeneration, degenerative, tuberculous NEC, with cavitation
- Infection, infected (opportunistic), Koch's, with cavitation
- Infection, infected (opportunistic), tuberculous NEC, with cavitation
- Gangrene, gangrenous (dry) (moist) (skin) (ulcer), tuberculous NEC, with cavitation
- Inflammation, inflamed, inflammatory (with exudation), tuberculous NEC, with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), chest, with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), cachexia NEC, with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), marasmus NEC, with cavitation
- Tuberculosis, tubercular, tuberculous (caseous) (degeneration) (gangrene) (necrosis), unspecified site, with cavitation
Notes for A16.90
As CIHI prints them, with any note A16.90 takes from the headings above it.
Includes
- Respiratory tuberculosis NOSTuberculosis NOSFrom A16.9 Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation
- 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.
- 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 A16.90 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block A15-A19Tuberculosis
- 3Category A16Respiratory tuberculosis, not confirmed bacteriologically or histologically
- 4Subcategory A16.9Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation
- 5Valid code A16.90Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation, 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 A16.90 mean?
A16.90 is the ICD-10-CA code for “Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation, with cavitation” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is A16.90 in ICD-10-CA?
A16.90 sits under A16.9 Respiratory tuberculosis unspecified, without mention of bacteriological or histological confirmation, within A16 Respiratory tuberculosis, not confirmed bacteriologically or histologically, within A15-A19 Tuberculosis, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to A16.90?
ICD-10-CA lists Includes, Excludes, Use additional code notes for A16.90, 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.