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Y66

Y66: Nonadministration of surgical and medical care

Billable / specific codeICD-10-CM

Y66 is a billable, specific ICD-10-CM code for nonadministration of surgical and medical care. It is valid for submission on a claim.

Check Y66 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Premature cessation of surgical and medical care

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Premature cessation surgical and medical care(of)
  • Nonadministration›surgical and medical care

Code history

Unchanged in every release from FY2024 to FY2027.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.