ICD-10-CM Z66 is the diagnosis code for Do not resuscitate. This code falls under the section "Do not resuscitate status" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where Z66 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z66 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z66 is the ICD-10-CM diagnosis code for "Do not resuscitate". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Z66 is located in Section Z66 — "Do not resuscitate status" within Chapter 21 of the ICD-10-CM Tabular List.
Use Z66 when the patients documented diagnosis matches "Do not resuscitate" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Do not resuscitate is Z66.
Yes, Z66 can be used as a primary diagnosis code since it is billable and specific.
Z66 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z66 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.