Is D81.3 a billable code?
No. D81.3 is a header code that groups 4 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
D81.3: Adenosine deaminase [ADA] deficiency
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
D81.3 groups related diagnoses under adenosine deaminase [ada] deficiency. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under D81.3
- D81.30Adenosine deaminase deficiency, unspecified
- D81.31Severe combined immunodeficiency due to adenosine deaminase deficiency
- D81.32Adenosine deaminase 2 deficiency
- D81.39Other adenosine deaminase deficiency
Other codes in D81 Combined immunodeficiencies
- 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
- D81.4Nezelof's syndrome
- D81.5Purine nucleoside phosphorylase [PNP] deficiency
- D81.6Major histocompatibility complex class I deficiency
- D81.7Major histocompatibility complex class II deficiency
- D81.8Other combined immunodeficienciesheader
- D81.9Combined immunodeficiency, unspecified
D81.3 questions
What does D81.3 mean?
D81.3 is the ICD-10-CM code for Adenosine deaminase [ADA] deficiency. It is in chapter 3, Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.