D82 – Immunodeficiency associated with other major defects

ICD-10-CM 2027 diagnosis code · Certain disorders involving the immune mechanism

Non-billable header

ICD-10-CM code D82
Code
D82 (claims format: D82)
Description
Immunodeficiency associated with other major defects
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block
D80-D89 Certain disorders involving the immune mechanism

Billable codes under D82

D82 is a header code and cannot be used on claims. Choose the most specific code:

Notes for D82

Excludes1 (not coded here):
  • ataxia telangiectasia [Louis-Bar] (G11.3)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block D80-D89

Includes:
  • defects in the complement system
  • immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
  • sarcoidosis
Excludes1 (not coded here):
  • autoimmune disease (systemic) NOS (M35.9)
  • functional disorders of polymorphonuclear neutrophils (D71-)
Excludes2 (not included here):
  • human immunodeficiency virus [HIV] disease (B20)

Frequently asked questions

What is ICD-10 code D82?

D82 is the ICD-10-CM code for immunodeficiency associated with other major defects, in the block D80-D89 (Certain disorders involving the immune mechanism).

Is D82 a billable code?

No. D82 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.