Do not resuscitate (Z66) ICD-10-CM
The Z66 code range covers do not resuscitate with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- DNR status
Codes in the Z66 Range 1 codes · 1 billable
- Z66 Do not resuscitate
About the Z66 Code Range
The ICD-10 code Z66 is used to document when a patient has a medically authorized "Do not resuscitate" (DNR) status, indicating that cardiopulmonary resuscitation should not be performed. This code helps healthcare providers accurately record and communicate the patient's resuscitation preferences.
Z66 covers situations where a patient has a clear order or documentation stating "Do not resuscitate," sometimes called "Not for resuscitation" or "Do not resuscitate status with supporting documentation." This designation ensures everyone understands that if the patient stops breathing or their heart stops, CPR will be intentionally withheld. Synonyms such as "cardiopulmonary resuscitation discontinued due to do not resuscitate order" or "not for cardiopulmonary resuscitation" clarify the intent behind this code. Using the ICD-10 code for do not resuscitate status is essential for maintaining accurate medical records and respecting patient wishes regarding life-saving measures.
Questions About This Page
How many billable codes are in the Z66 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Z66 range classify?
The range classifies do not resuscitate. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
