MCMCB Pro
D89.811

D89.811Chronic graft-versus-host disease

Billable / specific codeICD-10-CM

D89.811 is a billable, specific ICD-10-CM code for chronic graft-versus-host disease. It is valid for submission on a claim.

Risk adjustment

D89.811 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 454 Stem Cell, Including Bone Marrow, Transplant Status/Complications1.068 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

D89.811 is named in 29 Medicare coverage policies 29 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
  • A55717Billing and Coding: Lab: Flow Cytometry
  • A56380Billing and Coding: Rituximab
  • A56464Billing and Coding: Flow Cytometry

How D89.811 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D89.811.

  • Graft-versus-host diseasechronic
  • Disease, diseasedgraft-versus-hostchronic
  • Disease, diseasedhost-versus-graftchronic

Related codes at this level

Codes that share D89.81. If D89.811 is not quite right, the correct code is usually one of these.

Questions about D89.811

Is D89.811 a billable ICD-10-CM code?
Yes. D89.811 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D89.811 sit in the tabular list?
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Certain disorders involving the immune mechanism (D80-D89).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.