D84 ICD-10-CA category: Other immunodeficiencies
D84 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.
Official description
D84Other immunodeficiencies
ICD-10-CA · Canada
Codes in D84
D84 isn’t a code on its own. Open the code that matches what the note documents.
Notes for D84
As CIHI prints them, with any note D84 takes from the headings above it.
Includes
- Defects in the complement systemimmunodeficiency disorders, except human immunodeficiency virus [HIV] diseasesarcoidosisFrom D80-D89 Certain disorders involving the immune mechanism
Excludes
Conditions classified elsewhere.
- Autoimmune disease (systemic) NOS (M35.9)functional disorders of polymorphonuclear neutrophils (D71)human immunodeficiency virus [HIV] disease (B24)human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium (O98.7-)From D80-D89 Certain disorders involving the immune mechanism
- Autoimmune disease (systemic) NOS (M35.9)certain conditions originating in the perinatal period (P00-P96)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)human immunodeficiency virus [HIV] disease (B24)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Where D84 sits
- 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2Block D80-D89Certain disorders involving the immune mechanism
- 3Category D84Other immunodeficiencies
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 D84 a valid ICD-10-CA code?
No. D84 (Other immunodeficiencies) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 4 codes; record the one the documentation supports.
Where is D84 in ICD-10-CA?
D84 sits under D80-D89 Certain disorders involving the immune mechanism, within Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
What coding notes apply to D84?
ICD-10-CA lists Includes, Excludes notes for D84, 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.