D89.81
⚠ Non-billable (Header)Graft-versus-host disease
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
⚠️ This is a category header code — not billable. Use a more specific child code below.
📋 Code Instructions
- • code to identify associated manifestations, such as:
- • desquamative dermatitis (L30.8)
- • diarrhea (R19.7)
- • elevated bilirubin (R17)
- • hair loss (L65.9)
- • Code first: underlying cause, such as:
- • Code first: complications of transplanted organs and tissue (T86.-)
- • Code first: complications of blood transfusion (T80.89)
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CodeD89.81
BillableNo — Header code
ParentD89.8
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)