A68.1 ICD-10-CA code: Tick-borne relapsing fever
A68.1 is the ICD-10-CA code for “Tick-borne relapsing fever” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
A68.1Tick-borne relapsing fever
Short description: Tick borne relapsing fever
ICD-10-CA · Canada · Also written A681
Index terms
Entries in CIHI’s alphabetical index that lead to A68.1. Searching the index by the condition the note names is how coders reach this code.
- Fever, mianeh
- Fever, African tick borne
- Fever, South African tick bite
- Carter's relapsing fever (Asiatic)
- Novy's relapsing fever, tick borne
- Fever, relapsing (due to), tick borne
- Dutton's relapsing fever (West African)
- Fever, relapsing (due to), Carter's (Asiatic)
- Fever, relapsing (due to), Novy's, tick borne
- Fever, relapsing (due to), Dutton's (West African)
Notes for A68.1
As CIHI prints them, with any note A68.1 takes from the headings above it.
Includes
- Relapsing fever due to any Borrelia species other than Borrelia recurrentis
- Recurrent feverFrom A68 Relapsing fevers
- 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.
- Lyme disease (A69.2)From A68 Relapsing fevers
- 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 A68.1 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block A65-A69Other spirochaetal diseases
- 3Category A68Relapsing fevers
- 4Valid code A68.1Tick-borne relapsing fever
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 A68.1 mean?
A68.1 is the ICD-10-CA code for “Tick-borne relapsing fever” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is A68.1 in ICD-10-CA?
A68.1 sits under A68 Relapsing fevers, within A65-A69 Other spirochaetal diseases, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to A68.1?
ICD-10-CA lists Includes, Excludes, Use additional code notes for A68.1, 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.