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Z91

Non-billable

Personal risk factors, not elsewhere classified

Z91 is the ICD-10-CM code for Personal risk factors, not elsewhere classified. It is a non-billable category code — use a more specific child code such as Z91.0 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Subcodes
7
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

Excludes2 — not included here

  • •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-)

Frequently asked questions

What is ICD-10 code Z91?
Z91 is the ICD-10-CM code for "Personal risk factors, not elsewhere classified". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z91 a billable code?
No — Z91 is a non-billable header code. Use a more specific child code (such as Z91.0) for billing.
What are the subcodes of Z91?
Z91 has 7 more specific child codes, including Z91.0, Z91.1, Z91.4.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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