10ICD Code Hub

D81.31

Billable code

Severe combined immunodeficiency due to adenosine deaminase deficiency

The ICD-10 code for severe combined immunodeficiency due to adenosine deaminase deficiency is D81.31.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • ADA deficiency with SCID
  • Adenosine deaminase [ADA] deficiency with severe combined immunodeficiency

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

D81.31 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.