Get started free

Z91.1

Non-billable

Patient's noncompliance with medical treatment and regimen

Z91.1 is the ICD-10-CM code for Patient's noncompliance with medical treatment and regimen. It is a non-billable category code — use a more specific child code such as Z91.11 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z91
Subcodes
6
Edition
FY2026

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

Excludes2 — not included here

  • •caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)

Notes

  • •, if applicable, to identify underdosing of specific drug (T36-T50 with final character 6)

Frequently asked questions

What is ICD-10 code Z91.1?
Z91.1 is the ICD-10-CM code for "Patient's noncompliance with medical treatment and regimen". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z91.1 a billable code?
No — Z91.1 is a non-billable header code. Use a more specific child code (such as Z91.11) for billing.
What are the subcodes of Z91.1?
Z91.1 has 6 more specific child codes, including Z91.11, Z91.12, Z91.13.

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →