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ICD-10-CM Diagnosis Code Y66
Diagnosis Code: Y66 (Raw: Y66)
Description: Nonadministration of surgical and medical care
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).
Overview & Clinical Details
ICD-10-CM code Y66 is designated for Nonadministration of surgical and medical care. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.