MCMCB Pro
Z31.438

Z31.438Encounter for other genetic testing of female for procreative management

Billable / specific codeICD-10-CMPOA exempt

Z31.438 is a billable, specific ICD-10-CM code for encounter for other genetic testing of female for procreative management. It is valid for submission on a claim.

Risk adjustment

Z31.438 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

Z31.438 is named in 2 Medicare coverage policies 0 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56199Billing and Coding: Molecular Pathology Proceduresnot covered
  • A60409Billing and Coding: Molecular Pathology Proceduresnot covered

How Z31.438 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 Z31.438.

  • Test, tests, testinggeneticprocreative management NECfemale

Related codes at this level

Codes that share Z31.43. If Z31.438 is not quite right, the correct code is usually one of these.

Questions about Z31.438

Is Z31.438 a billable ICD-10-CM code?
Yes. Z31.438 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z31.438 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.