Z91.8 (Oth personal risk factors, not elsewhere classified) is an umbrella ICD-10-CM medical diagnosis code in the Factors influencing health status and contact with health services chapter. Other specified personal risk factors, not elsewhere classified

ICD-10-CM · Category

Z91.8 — Oth personal risk factors, not elsewhere classified

Other specified personal risk factors, not elsewhere classified

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

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Sub-codes under Z91.8

Z91.81History of fallingZ91.82Personal history of military deploymentZ91.83Wandering in diseases classified elsewhereZ91.84Oral health risk factorsZ91.85Personal history of military serviceZ91.89Oth personal risk factors, not elsewhere classified

Related diagnoses

Z91.0Allergy status, oth than to drugs and biological substancesZ91.1Patient's noncompliance with medical treatment and regimenZ91.ACarers noncompl with patient's medical treatment and regimenZ91.4Personal history of psychological trauma, NECZ91.5Personal history of self-harm

Common questions about Z91.8 (Oth personal risk factors, not elsewhere classified)

What does ICD-10 code Z91.8 mean?
Z91.8 is the ICD-10-CM 2025 code for Oth personal risk factors, not elsewhere classified. Other specified personal risk factors, not elsewhere classified. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is Z91.8 a billable diagnosis code?
Z91.8 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under Z91.8. Browse the sub-codes listed on this page.
Which ICD-10 chapter does Z91.8 belong to?
Z91.8 belongs to the chapter "Factors influencing health status and contact with health services" (codes Z00-Z99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Oth personal risk factors, not elsewhere classified?
For a plain-language explanation of Oth personal risk factors, not elsewhere classified, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Oth personal risk factors, not elsewhere classified" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗