D81.9
Combined immunodeficiency, unspecified
Coding guidance (WHO 2019)
Severe combined immunodeficiency disorder [SCID] NOS
Sibling codes
D81Combined immunodeficienciesD81.0Severe combined immunodeficiency [SCID] with reticular dysgenesisD81.1Severe combined immunodeficiency [SCID] with low T- and B-cell numbersD81.2Severe combined immunodeficiency [SCID] with low or normal B-cell numbersD81.3Adenosine deaminase [ADA] deficiencyD81.4Nezelof syndromeD81.5Purine nucleoside phosphorylase [PNP] deficiencyD81.6Major histocompatibility complex class I deficiencyD81.7Major histocompatibility complex class II deficiencyD81.8Other combined immunodeficiencies