A49.2 ICD-10-CA code: Haemophilus influenzae infection, unspecified site
A49.2 is the ICD-10-CA code for “Haemophilus influenzae infection, unspecified site” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
A49.2Haemophilus influenzae infection, unspecified site
Short description: Haemophilus influenzae infect unspec sit
ICD-10-CA · Canada · Also written A492
Index terms
Entries in CIHI’s alphabetical index that lead to A49.2. Searching the index by the condition the note names is how coders reach this code.
- Infection, infected (opportunistic), Haemophilus, influenzae NEC
- Infection, infected (opportunistic), Haemophilus, influenzae NEC, unspecified nature or site
Notes for A49.2
As CIHI prints them, with any note A49.2 takes from the headings above it.
Includes
- 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.
- Bacterial agents as the cause of diseases classified to other chapters (B95-B96)chlamydial infection NOS (A74.9)meningococcal infection NOS (A39.9)rickettsial infection NOS (A79.9)spirochaetal infection NOS (A69.9)From A49 Bacterial infection of unspecified site
- 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 A49.2 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block A30-A49Other bacterial diseases
- 3Category A49Bacterial infection of unspecified site
- 4Valid code A49.2Haemophilus influenzae infection, unspecified site
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 A49.2 mean?
A49.2 is the ICD-10-CA code for “Haemophilus influenzae infection, unspecified site” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is A49.2 in ICD-10-CA?
A49.2 sits under A49 Bacterial infection of unspecified site, within A30-A49 Other bacterial diseases, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to A49.2?
ICD-10-CA lists Excludes, Includes, Use additional code notes for A49.2, 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.