D84.81 Billable Code
Immunodeficiency due to conditions classified elsewhere
Effective From: 10/01/2020
Chapter Classification
Chapter 3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Section Detail
D80-D89
Certain disorders involving the immune mechanism (D80-D89)
Code Hierarchy
This code is a child of D84.8.
Coding Guidelines & Notes
codeFirst
- underlying condition, such as:
- chromosomal abnormalities (Q90-Q99)
- diabetes mellitus (E08-E13)
- malignant neoplasms (C00-C96)
excludes1
- certain disorders involving the immune mechanism (D80-D83, D84.0, D84.1, D84.9)
- human immunodeficiency virus [HIV] disease (B20)
OPPS Editing Flags
External Cause
No
Mental Health
No
Manifestation (Edit 89)
Yes
Code First Applicable This code represents a manifestation of an underlying disease. The underlying condition must be coded first as the principal diagnosis.
No
Unacceptable PDX (Edit 113)
No
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