10ICD Code Hub

Z66

Billable code

Do not resuscitate

The ICD-10 code for do not resuscitate is Z66.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • DNR status

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

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Associated MS-DRGs

Z66 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.