D81Non-billable (header)

Combined immunodeficiencies

Related Codes· Certain disorders involving the immune mechanism (D80-D89)

D80Immunodeficiency with predominantly antibody defectsD82Immunodeficiency associated with other major defectsD83Common variable immunodeficiencyD84Other immunodeficienciesD86Sarcoidosis

Sub-codes of D81(10)

D81 is a non-billable header. Select a sub-code to bill.

D81.0Severe combined immunodeficiency [SCID] with reticular dysge…✓ BillableD81.1Severe combined immunodeficiency [SCID] with low T- and B-ce…✓ BillableD81.2Severe combined immunodeficiency [SCID] with low or normal B…✓ BillableD81.3Adenosine deaminase [ADA] deficiencyHeaderD81.4Nezelof's syndrome✓ BillableD81.5Purine nucleoside phosphorylase [PNP] deficiency✓ BillableD81.6Major histocompatibility complex class I deficiency✓ BillableD81.7Major histocompatibility complex class II deficiency✓ BillableD81.8Other combined immunodeficienciesHeaderD81.9Combined immunodeficiency, unspecified✓ Billable

✗ Excludes 1(Not coded here)

  • •autosomal recessive agammaglobulinemia (Swiss type) (D80.0)

Code Hierarchy

┌3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)├D80-D89Certain disorders involving the immune mechanism (D80-D89)├D81Combined immunodeficiencies
└D81Combined immunodeficiencies

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