Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

T33.8

Superficial frostbite of ankle, foot, and toe(s)

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
T33.81Superficial frostbite of ankleCategory
T33.811Superficial frostbite of right ankleCategory
T33.811ASuperficial frostbite of right ankle, initial encounterBillable
T33.811DSuperficial frostbite of right ankle, subsequent encounterBillable
T33.811SSuperficial frostbite of right ankle, sequelaBillable
T33.812Superficial frostbite of left ankleCategory
T33.812ASuperficial frostbite of left ankle, initial encounterBillable
T33.812DSuperficial frostbite of left ankle, subsequent encounterBillable
T33.812SSuperficial frostbite of left ankle, sequelaBillable
T33.819Superficial frostbite of unspecified ankleCategory
T33.819ASuperficial frostbite of unspecified ankle, initial encounterBillable
T33.819DSuperficial frostbite of unspecified ankle, subsequent encounterBillable
T33.819SSuperficial frostbite of unspecified ankle, sequelaBillable
T33.82Superficial frostbite of footCategory
T33.821Superficial frostbite of right footCategory
T33.821ASuperficial frostbite of right foot, initial encounterBillable
T33.821DSuperficial frostbite of right foot, subsequent encounterBillable
T33.821SSuperficial frostbite of right foot, sequelaBillable
T33.822Superficial frostbite of left footCategory
T33.822ASuperficial frostbite of left foot, initial encounterBillable
T33.822DSuperficial frostbite of left foot, subsequent encounterBillable
T33.822SSuperficial frostbite of left foot, sequelaBillable
T33.829Superficial frostbite of unspecified footCategory
T33.829ASuperficial frostbite of unspecified foot, initial encounterBillable
T33.829DSuperficial frostbite of unspecified foot, subsequent encounterBillable
T33.829SSuperficial frostbite of unspecified foot, sequelaBillable
T33.83Superficial frostbite of toe(s)Category
T33.831Superficial frostbite of right toe(s)Category
T33.831ASuperficial frostbite of right toe(s), initial encounterBillable
T33.831DSuperficial frostbite of right toe(s), subsequent encounterBillable

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.