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ICD-10-CM · FY 2026 APRIL UPDATE

T33

Superficial frostbite

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T33.0Superficial frostbite of headCategory
T33.01Superficial frostbite of earCategory
T33.011Superficial frostbite of right earCategory
T33.011ASuperficial frostbite of right ear, initial encounterBillable
T33.011DSuperficial frostbite of right ear, subsequent encounterBillable
T33.011SSuperficial frostbite of right ear, sequelaBillable
T33.012Superficial frostbite of left earCategory
T33.012ASuperficial frostbite of left ear, initial encounterBillable
T33.012DSuperficial frostbite of left ear, subsequent encounterBillable
T33.012SSuperficial frostbite of left ear, sequelaBillable
T33.019Superficial frostbite of unspecified earCategory
T33.019ASuperficial frostbite of unspecified ear, initial encounterBillable
T33.019DSuperficial frostbite of unspecified ear, subsequent encounterBillable
T33.019SSuperficial frostbite of unspecified ear, sequelaBillable
T33.02Superficial frostbite of noseCategory
T33.02XASuperficial frostbite of nose, initial encounterBillable
T33.02XDSuperficial frostbite of nose, subsequent encounterBillable
T33.02XSSuperficial frostbite of nose, sequelaBillable
T33.09Superficial frostbite of other part of headCategory
T33.09XASuperficial frostbite of other part of head, initial encounterBillable
T33.09XDSuperficial frostbite of other part of head, subsequent encounterBillable
T33.09XSSuperficial frostbite of other part of head, sequelaBillable
T33.1Superficial frostbite of neckCategory
T33.1XXASuperficial frostbite of neck, initial encounterBillable
T33.1XXDSuperficial frostbite of neck, subsequent encounterBillable
T33.1XXSSuperficial frostbite of neck, sequelaBillable
T33.2Superficial frostbite of thoraxCategory
T33.2XXASuperficial frostbite of thorax, initial encounterBillable
T33.2XXDSuperficial frostbite of thorax, subsequent encounterBillable
T33.2XXSSuperficial frostbite of thorax, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.