ICD-10-CM · Chapter 3 · D50–D89
D81.3
Adenosine deaminase [ADA] deficiency
Diseases of the blood and immune mechanism
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- D81.3
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 3 — Diseases of the blood and immune mechanism
- Category
- D81 — Combined immunodeficiencies
- Specificity
- 4 characters
How coders use this code
ICD-10-CM D81.3 is a category (header) for adenosine deaminase [ada] deficiency. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in D81
- D81Combined 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
- D81.30Adenosine deaminase deficiency, unspecified
- D81.31Severe combined immunodeficiency due to adenosine deaminase deficiency
- D81.32Adenosine deaminase 2 deficiency
- D81.39Other adenosine deaminase 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
- D81.8Other combined immunodeficiencies
- D81.81Biotin-dependent carboxylase deficiency
- D81.810Biotinidase deficiency
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