All ICD10 Codes

D81.39

Billable
ChapterD50–D89
Ranksubcategory
Official Description

Other adenosine deaminase deficiency

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).

Instructional Notes

Includes
  • Adenosine deaminase [ADA] deficiency type 1, NOS
  • Adenosine deaminase [ADA] deficiency type 1, without SCID
  • Adenosine deaminase [ADA] deficiency type 1, without severe combined immunodeficiency
  • Partial ADA deficiency (type 1)
  • Partial adenosine deaminase deficiency (type 1)
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] deficiency
D81.39Other adenosine deaminase deficiencyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D81.39:

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

  • FY 2019: This code replaced D81.3 (Adenosine deaminase [ADA] deficiency)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 642
Inborn and Other Disorders of Metabolism

Cross Reference

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