Is ICD-10-CM code Z66 billable?

Yes, Z66 (Do not resuscitate) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code Z66 belong to?

Z66 belongs to Chapter 21 of the ICD-10-CM tabular list: Z00–Z99 (Factors Influencing Health Status and Contact with Health Services).

Z66

Billable

ChapterZ00–Z99

Rankcategory

Description

Do not resuscitate

About ICD-10-CM code Z66

Do not resuscitate is classified in ICD-10-CM as code Z66, part of Z00-Z99 Factors Influencing Health Status and Contact with Health Services. Its status is billable, meaning it is valid for reimbursement claims.

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes

DNR status

Clinical Hierarchy

BillableHas subcodes

CH21Factors influencing health status and contact with health services (Z00-Z99)

Z66Do not resuscitateBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 951

Other Factors Influencing Health Status

Cross Reference

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