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ICD-10-CM · FY 2026 APRIL UPDATE

T23.7

Corrosion of third degree of wrist and hand

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
T23.70Corrosion of third degree of hand, unspecified siteCategory
T23.701Corrosion of third degree of right hand, unspecified siteCategory
T23.701ACorrosion of third degree of right hand, unspecified site, initial encounterBillable
T23.701DCorrosion of third degree of right hand, unspecified site, subsequent encounterBillable
T23.701SCorrosion of third degree of right hand, unspecified site, sequelaBillable
T23.702Corrosion of third degree of left hand, unspecified siteCategory
T23.702ACorrosion of third degree of left hand, unspecified site, initial encounterBillable
T23.702DCorrosion of third degree of left hand, unspecified site, subsequent encounterBillable
T23.702SCorrosion of third degree of left hand, unspecified site, sequelaBillable
T23.709Corrosion of third degree of unspecified hand, unspecified siteCategory
T23.709ACorrosion of third degree of unspecified hand, unspecified site, initial encounterBillable
T23.709DCorrosion of third degree of unspecified hand, unspecified site, subsequent encounterBillable
T23.709SCorrosion of third degree of unspecified hand, unspecified site, sequelaBillable
T23.71Corrosion of third degree of thumb (nail)Category
T23.711Corrosion of third degree of right thumb (nail)Category
T23.711ACorrosion of third degree of right thumb (nail), initial encounterBillable
T23.711DCorrosion of third degree of right thumb (nail), subsequent encounterBillable
T23.711SCorrosion of third degree of right thumb (nail), sequelaBillable
T23.712Corrosion of third degree of left thumb (nail)Category
T23.712ACorrosion of third degree of left thumb (nail), initial encounterBillable
T23.712DCorrosion of third degree of left thumb (nail), subsequent encounterBillable
T23.712SCorrosion of third degree of left thumb (nail), sequelaBillable
T23.719Corrosion of third degree of unspecified thumb (nail)Category
T23.719ACorrosion of third degree of unspecified thumb (nail), initial encounterBillable
T23.719DCorrosion of third degree of unspecified thumb (nail), subsequent encounterBillable
T23.719SCorrosion of third degree of unspecified thumb (nail), sequelaBillable
T23.72Corrosion of third degree of single finger (nail) except thumbCategory
T23.721Corrosion of third degree of single right finger (nail) except thumbCategory
T23.721ACorrosion of third degree of single right finger (nail) except thumb, initial encounterBillable
T23.721DCorrosion of third degree of single right finger (nail) except thumb, 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.

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