ICD-10-CM · Chapter 20 · V00-Y99
Y66 Nonadministration of surgical and medical care
Includes
- Premature cessation of surgical and medical care
Excludes 1 (cannot be coded together)
- DNR status (Z66)
- palliative care (Z51.5)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit Y66 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026