MCMCB Pro
D83

D83Common variable immunodeficiency

Non-billable headerICD-10-CM

D83 is a non-billable header ICD-10-CM code for common variable immunodeficiency. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with D83

These codes carry an Excludes1 note pointing at D83. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D83 alone.

  • D84.81Immunodeficiency due to conditions classified elsewhere

Risk adjustment

D83 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead D83

5 child codes. Green means billable.

Questions about D83

Is D83 a billable ICD-10-CM code?
No. D83 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does D83 sit in the tabular list?
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Certain disorders involving the immune mechanism (D80-D89).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.