All ICD10 Codes

D81.3

Non-Billable
ChapterD50–D89
Ranksubcategory
Official Description

Adenosine deaminase [ADA] deficiency

Use a more specific code (4 billable)
D81.30Adenosine deaminase deficiency, unspecifiedD81.31Severe combined immunodeficiency due to adenosine deaminase deficiencyD81.32Adenosine deaminase 2 deficiencyD81.39Other adenosine deaminase deficiency
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).
General instructions are available for the parent sections:
View CH3 NotesView D80-D89 NotesView D81 Notes

Clinical Hierarchy

BillableHas subcodes
CH3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D80-D89Certain disorders involving the immune mechanism (D80-D89)
D81Combined immunodeficiencies
D81.3Adenosine deaminase [ADA] deficiencyNot billable
D81.30Adenosine deaminase deficiency, unspecifiedBillable
D81.31Severe combined immunodeficiency due to adenosine deaminase deficiencyBillable
D81.32Adenosine deaminase 2 deficiencyBillable
D81.39Other adenosine deaminase deficiencyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D81.3:

categoryD81
Combined immunodeficiencies
View context instructions
blockD80-D89
Certain disorders involving the immune mechanism (D80-D89)
View context instructions
chapterCH3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
View context instructions

Code History

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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