MCMCB Pro
Z86.39

Z86.39Personal history of other endocrine, nutritional and metabolic disease

Billable / specific codeICD-10-CMPOA exempt

Z86.39 is a billable, specific ICD-10-CM code for personal history of other endocrine, nutritional and metabolic disease. It is valid for submission on a claim.

Risk adjustment

Z86.39 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

Z86.39 is named in 7 Medicare coverage policies 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A58801Billing and Coding: Pharmacogenomics Testing
  • A58801Billing and Coding: Pharmacogenomics Testing
  • A58812Billing and Coding: Pharmacogenomics Testing

How Z86.39 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 Z86.39.

  • Historypersonalnutritional deficiency
  • Historypersonaldisease or disorderendocrine
  • Historypersonaldisease or disordermetabolic
  • Historypersonaldisease or disordernutritional
  • Historypersonaldisease or disorderendocrinespecified type NEC
  • Historypersonaldisease or disordermetabolicspecified type NEC

Related codes at this level

Codes that share Z86.3. If Z86.39 is not quite right, the correct code is usually one of these.

Questions about Z86.39

Is Z86.39 a billable ICD-10-CM code?
Yes. Z86.39 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z86.39 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.