D81.8
D81.8: Other combined immunodeficiencies
Non-billable headerICD-10-CM
D81.8 is a non-billable header ICD-10-CM code for other combined immunodeficiencies. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with D81.8
Their own Excludes1 notes name this code, so the conflict is not listed above.
- E79Disorders of purine and pyrimidine metabolism
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead D81.8
3 child codes. Green means billable.
Other codes under D81
- D81.0Severe combined immunodeficiency [SCID] with reticular dysgenesis
- D81.1Severe combined immunodeficiency [SCID] with low T- and B-cell numbers
- D81.2Severe combined immunodeficiency [SCID] with low or normal B-cell numbers
- D81.3Adenosine deaminase [ADA] deficiency
- D81.4Nezelof's syndrome
- D81.5Purine nucleoside phosphorylase [PNP] deficiency
- D81.6Major histocompatibility complex class I deficiency
- D81.7Major histocompatibility complex class II deficiency
- D81.9Combined immunodeficiency, unspecified