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Z91.A9

Non-billable

Caregiver's noncompliance with patient's other medical treatment and regimen

Z91.A9 is the ICD-10-CM code for Caregiver's noncompliance with patient's other medical treatment and regimen. It is a non-billable category code — use a more specific child code such as Z91.A91 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z91.A
Subcodes
2
Edition
FY2026

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

Includes

  • •Caregiver's nonadherence to patient's medical treatment

Frequently asked questions

What is ICD-10 code Z91.A9?
Z91.A9 is the ICD-10-CM code for "Caregiver's noncompliance with patient's other medical treatment and regimen". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z91.A9 a billable code?
No — Z91.A9 is a non-billable header code. Use a more specific child code (such as Z91.A91) for billing.
What are the subcodes of Z91.A9?
Z91.A9 has 2 more specific child codes, including Z91.A91, Z91.A98.

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

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