ICD-10 Code T33.819A - Superficial frostbite of unspecified ankle, initial encounter

ICD-10-CM Diagnosis Code T33.819A

Diagnosis Code: T33.819A (Raw: T33819A)

Description: Superficial frostbite of unspecified ankle, initial encounter

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code T33.819A is designated for Superficial frostbite of unspecified ankle, initial encounter. 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.