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ICD-10-CM · FY 2026 APRIL UPDATE

T24.5

Corrosion of first degree of lower limb, except ankle and foot

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
T24.50Corrosion of first degree of unspecified site of lower limb, except ankle and footCategory
T24.501Corrosion of first degree of unspecified site of right lower limb, except ankle and footCategory
T24.501ACorrosion of first degree of unspecified site of right lower limb, except ankle and foot, initial encounterBillable
T24.501DCorrosion of first degree of unspecified site of right lower limb, except ankle and foot, subsequent encounterBillable
T24.501SCorrosion of first degree of unspecified site of right lower limb, except ankle and foot, sequelaBillable
T24.502Corrosion of first degree of unspecified site of left lower limb, except ankle and footCategory
T24.502ACorrosion of first degree of unspecified site of left lower limb, except ankle and foot, initial encounterBillable
T24.502DCorrosion of first degree of unspecified site of left lower limb, except ankle and foot, subsequent encounterBillable
T24.502SCorrosion of first degree of unspecified site of left lower limb, except ankle and foot, sequelaBillable
T24.509Corrosion of first degree of unspecified site of unspecified lower limb, except ankle and footCategory
T24.509ACorrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounterBillable
T24.509DCorrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot, subsequent encounterBillable
T24.509SCorrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot, sequelaBillable
T24.51Corrosion of first degree of thighCategory
T24.511Corrosion of first degree of right thighCategory
T24.511ACorrosion of first degree of right thigh, initial encounterBillable
T24.511DCorrosion of first degree of right thigh, subsequent encounterBillable
T24.511SCorrosion of first degree of right thigh, sequelaBillable
T24.512Corrosion of first degree of left thighCategory
T24.512ACorrosion of first degree of left thigh, initial encounterBillable
T24.512DCorrosion of first degree of left thigh, subsequent encounterBillable
T24.512SCorrosion of first degree of left thigh, sequelaBillable
T24.519Corrosion of first degree of unspecified thighCategory
T24.519ACorrosion of first degree of unspecified thigh, initial encounterBillable
T24.519DCorrosion of first degree of unspecified thigh, subsequent encounterBillable
T24.519SCorrosion of first degree of unspecified thigh, sequelaBillable
T24.52Corrosion of first degree of kneeCategory
T24.521Corrosion of first degree of right kneeCategory
T24.521ACorrosion of first degree of right knee, initial encounterBillable
T24.521DCorrosion of first degree of right knee, 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.