A65 ICD-10-CA code: Nonvenereal syphilis
A65 is the ICD-10-CA code for “Nonvenereal syphilis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
A65Nonvenereal syphilis
ICD-10-CA · Canada
Index terms
Entries in CIHI’s alphabetical index that lead to A65. Searching the index by the condition the note names is how coders reach this code.
- Siti
- Bejel
- Njovera
- Dichuchwa
- Skerljevo
- Syphilis, syphilitic (acquired), endemic
- Syphilis, syphilitic (acquired), nonvenereal
Notes for A65
As CIHI prints them, with any note A65 takes from the headings above it.
Includes
- BejelEndemic syphilisNjovera
- 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.
- Leptospirosis (A27.-)syphilis (A50-A53)From A65-A69 Other spirochaetal diseases
- 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 A65 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block A65-A69Other spirochaetal diseases
- 3Valid code A65Nonvenereal syphilis
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 A65 mean?
A65 is the ICD-10-CA code for “Nonvenereal syphilis” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is A65 in ICD-10-CA?
A65 sits under A65-A69 Other spirochaetal diseases, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to A65?
ICD-10-CA lists Includes, Excludes, Use additional code notes for A65, 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.