Z91.A9

Non-Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

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

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes
  • Caregiver's nonadherence to patient's medical treatment
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z91Personal risk factors, not elsewhere classified
Z91.ACaregiver's noncompliance with patient's medical treatment and regimen
Z91.A9Caregiver's noncompliance with patient's other medical treatment and regimenNot billable
Z91.A91Caregiver's noncompliance with patient's other medical treatment and regimen due to financial hardshipBillable
Z91.A98Caregiver's noncompliance with patient's other medical treatment and regimen for other reasonBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z91.A9:

categoryZ91
Personal risk factors, not elsewhere classified
View context instructions
blockZ77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
View context instructions

Code History

  • FY 2023: Superseded by Z91.A91
  • FY 2023: Superseded by Z91.A98
  • FY 2022: This code replaced Z91.19 (Patient's noncompliance with other medical treatment and regimen)

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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