MCMCB Pro
Z92.850

Z92.850Personal history of Chimeric Antigen Receptor T-cell therapy

Billable / specific codeICD-10-CMPOA exempt

Z92.850 is a billable, specific ICD-10-CM code for personal history of chimeric antigen receptor t-cell therapy. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Personal history of CAR T-cell therapy

Risk adjustment

Z92.850 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Z92.850 is named in 8 Medicare coverage policies 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

How Z92.850 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 Z92.850.

  • HistorypersonalCAR-T therapy(Chimeric Antigen Receptor T-cell)
  • HistorypersonalChimeric Antigen Receptor T-cell therapy(CAR-T)

Related codes at this level

Codes that share Z92.85. If Z92.850 is not quite right, the correct code is usually one of these.

Questions about Z92.850

Is Z92.850 a billable ICD-10-CM code?
Yes. Z92.850 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z92.850 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
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.