ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

D84.81 – Immunodeficiency due to conditions classified elsewhere

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

Code First

underlying condition, such as:

chromosomal abnormalities (Q90-Q99)

diabetes mellitus (E08-E13)

malignant neoplasms (C00-C96)

Type 1 Excludes

certain disorders involving the immune mechanism (D80-D83, D84.0, D84.1, D84.9)

human immunodeficiency virus [HIV] disease (B20)

MDC / MS-DRG Reference

DRG 814

RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH MCC

DRG 815

RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH CC

DRG 816

RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Immunodeficiency D84.9

due to

conditions classified elsewhere D84.81

Sibling Codes

D84.82

Immunodeficiency due to drugs and external causes

D84.89

Other immunodeficiencies

Parent Sibling Codes

D84.0

Lymphocyte function antigen-1 [LFA-1] defect

D84.1

Defects in the complement system

D84.8

Other specified immunodeficiencies

D84.9

Immunodeficiency, unspecified

View in Tabular

Code	Title
D50-D89	Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D80-D89	Certain disorders involving the immune mechanism (D80-D89)
D84	Other immunodeficiencies
D84.8	Other specified immunodeficiencies
D84.81	Immunodeficiency due to conditions classified elsewhere Type 1 Excludes certain disorders involving the immune mechanism (D80-D83, D84.0, D84.1, D84.9) human immunodeficiency virus [HIV] disease (B20) Code First underlying condition, such as: chromosomal abnormalities (Q90-Q99) diabetes mellitus (E08-E13) malignant neoplasms (C00-C96)