D84.81
Immunodeficiency due to conditions classified elsewhere
Billable
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with D84.81
- certain disorders involving the immune mechanism (D80-D83, D84.0, D84.1, D84.9)
- B20 - human immunodeficiency virus [HIV] disease (B20)
Code First
- underlying condition, such as:
- chromosomal abnormalities (Q90-Q99)
- diabetes mellitus (E08-E13)
- malignant neoplasms (C00-C96)
