B90-B94 ICD-10-CA block: Sequelae of infectious and parasitic diseases
B90-B94 isn’t a code on its own. Choose one of the 12 codes beneath it, the one the documentation supports.
Official description
B90-B94Sequelae of infectious and parasitic diseases (B90-B94)
ICD-10-CA · Canada
Codes in B90-B94
B90-B94 isn’t a code on its own. Open the group that matches what the note documents.
Notes for B90-B94
As CIHI prints them, with any note B90-B94 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.
- 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)
Note
- Categories B90-B94 are to be used to indicate conditions in categories A00-B89 as the cause of sequelae, which are themselves classified elsewhere. The "sequelae" include conditions specified as such; they also include late effects of diseases classifiable to the above categories if there is evidence that the disease itself is no longer present. For use of these categories, reference should be made to the morbidity or mortality coding rules and guidelines.Not to be used for chronic infections. Code current infections to chronic or active infectious disease as appropriate.
Where B90-B94 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block B90-B94Sequelae of infectious and parasitic diseases
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
Is B90-B94 a valid ICD-10-CA code?
No. B90-B94 (Sequelae of infectious and parasitic diseases) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 12 codes; record the one the documentation supports.
Where is B90-B94 in ICD-10-CA?
B90-B94 sits under Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to B90-B94?
ICD-10-CA lists Note, Includes, Use additional code, Excludes notes for B90-B94, 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.
Codes beside B90-B94
A00-A09Intestinal infectious diseasesA15-A19TuberculosisA20-A28Certain zoonotic bacterial diseasesA30-A49Other bacterial diseasesA50-A64Infections with a predominantly sexual mode of transmissionA65-A69Other spirochaetal diseasesA70-A74Other diseases caused by chlamydiaeA75-A79RickettsiosesA80-A89Viral infections of the central nervous systemA92-A99Arthropod-borne viral fevers and viral haemorrhagic feversB00-B09Viral infections characterized by skin and mucous membrane lesionsB15-B19Viral hepatitisB24-B24Human immunodeficiency virus [HIV] disease (B24)B25-B34Other viral diseasesB35-B49MycosesB50-B64Protozoal diseasesB65-B83HelminthiasesB85-B89Pediculosis, acariasis and other infestationsB95-B98Bacterial, viral and other infectious agentsB99-B99Other infectious diseases (B99)