MCMCB Pro
Z34.83

Z34.83Encounter for supervision of other normal pregnancy, third trimester

Billable / specific codeICD-10-CMPOA exempt

Z34.83 is a billable, specific ICD-10-CM code for encounter for supervision of other normal pregnancy, third trimester. It is valid for submission on a claim.

Risk adjustment

Z34.83 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

Z34.83 is named in 5 Medicare coverage policies 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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  • 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
  • A58747Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

Related codes at this level

Codes that share Z34.8. If Z34.83 is not quite right, the correct code is usually one of these.

Questions about Z34.83

Is Z34.83 a billable ICD-10-CM code?
Yes. Z34.83 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z34.83 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services in circumstances related to reproduction (Z30-Z39).
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.