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Z91.49

Z91.49: Other personal history of psychological trauma, not elsewhere classified

Billable / specific codeICD-10-CMPOA exempt

Z91.49 is a billable, specific ICD-10-CM code for other personal history of psychological trauma, not elsewhere classified. It is valid for submission on a claim.

Check Z91.49 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above Z91.49

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

Written on Z91: Personal risk factors, not elsewhere classified

  • contact with and (suspected) exposures hazardous to health (Z77.-)
  • exposure to pollution and other problems related to physical environment (Z77.1-)
  • female genital mutilation status (N90.81-)
  • occupational exposure to risk factors (Z57.-)
  • personal history of physical injury and trauma (Z87.81, Z87.82-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z91.49 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57130Billing and Coding: Psychiatric Codes

Alphabetic index entries that lead here

  • History›personal›psychological›trauma, specified NEC
  • History›personal›trauma NEC›psychological NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z91.4

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.