MCMedicalCodingSoftware
Z94.84

Z94.84: Stem cells transplant status

Billable / specific codeICD-10-CMPOA exempt

Z94.84 is a billable, specific ICD-10-CM code for stem cells transplant status. It is valid for submission on a claim.

Check Z94.84 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Z94.84

A category’s note binds every code beneath it.

Written on Z94: Transplanted organ and tissue status

  • complications of transplanted organ or tissue - see Alphabetical Index

Excludes2 inherited from the categories above Z94.84

Not part of this code, but both may be coded when both are present.

Written on Z94: Transplanted organ and tissue status

  • presence of vascular grafts (Z95.-)

Other codes that can never be billed with Z94.84

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z18Retained foreign body fragments

Risk adjustment

Z94.84 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

Z94.84 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52474Immunosuppressive Drugs - Policy Article
  • A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
  • A55717Billing and Coding: Lab: Flow Cytometry
  • A56464Billing and Coding: Flow Cytometry

Alphabetic index entries that lead here

  • Transplant›stem cells

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z94.8

ICD-10-CMFY2027· effective October 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.