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ICD-10-CM · FY 2026 APRIL UPDATE

S91.20

Unspecified open wound of toe with damage to nail

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
S91.201Unspecified open wound of right great toe with damage to nailCategory
S91.201AUnspecified open wound of right great toe with damage to nail, initial encounterBillable
S91.201DUnspecified open wound of right great toe with damage to nail, subsequent encounterBillable
S91.201SUnspecified open wound of right great toe with damage to nail, sequelaBillable
S91.202Unspecified open wound of left great toe with damage to nailCategory
S91.202AUnspecified open wound of left great toe with damage to nail, initial encounterBillable
S91.202DUnspecified open wound of left great toe with damage to nail, subsequent encounterBillable
S91.202SUnspecified open wound of left great toe with damage to nail, sequelaBillable
S91.203Unspecified open wound of unspecified great toe with damage to nailCategory
S91.203AUnspecified open wound of unspecified great toe with damage to nail, initial encounterBillable
S91.203DUnspecified open wound of unspecified great toe with damage to nail, subsequent encounterBillable
S91.203SUnspecified open wound of unspecified great toe with damage to nail, sequelaBillable
S91.204Unspecified open wound of right lesser toe(s) with damage to nailCategory
S91.204AUnspecified open wound of right lesser toe(s) with damage to nail, initial encounterBillable
S91.204DUnspecified open wound of right lesser toe(s) with damage to nail, subsequent encounterBillable
S91.204SUnspecified open wound of right lesser toe(s) with damage to nail, sequelaBillable
S91.205Unspecified open wound of left lesser toe(s) with damage to nailCategory
S91.205AUnspecified open wound of left lesser toe(s) with damage to nail, initial encounterBillable
S91.205DUnspecified open wound of left lesser toe(s) with damage to nail, subsequent encounterBillable
S91.205SUnspecified open wound of left lesser toe(s) with damage to nail, sequelaBillable
S91.206Unspecified open wound of unspecified lesser toe(s) with damage to nailCategory
S91.206AUnspecified open wound of unspecified lesser toe(s) with damage to nail, initial encounterBillable
S91.206DUnspecified open wound of unspecified lesser toe(s) with damage to nail, subsequent encounterBillable
S91.206SUnspecified open wound of unspecified lesser toe(s) with damage to nail, sequelaBillable
S91.209Unspecified open wound of unspecified toe(s) with damage to nailCategory
S91.209AUnspecified open wound of unspecified toe(s) with damage to nail, initial encounterBillable
S91.209DUnspecified open wound of unspecified toe(s) with damage to nail, subsequent encounterBillable
S91.209SUnspecified open wound of unspecified toe(s) with damage to nail, 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.