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ICD-10-CM · FY 2026 APRIL UPDATE

S91.1

Open wound of toe without 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
S91.10Unspecified open wound of toe without damage to nailCategory
S91.101Unspecified open wound of right great toe without damage to nailCategory
S91.101AUnspecified open wound of right great toe without damage to nail, initial encounterBillable
S91.101DUnspecified open wound of right great toe without damage to nail, subsequent encounterBillable
S91.101SUnspecified open wound of right great toe without damage to nail, sequelaBillable
S91.102Unspecified open wound of left great toe without damage to nailCategory
S91.102AUnspecified open wound of left great toe without damage to nail, initial encounterBillable
S91.102DUnspecified open wound of left great toe without damage to nail, subsequent encounterBillable
S91.102SUnspecified open wound of left great toe without damage to nail, sequelaBillable
S91.103Unspecified open wound of unspecified great toe without damage to nailCategory
S91.103AUnspecified open wound of unspecified great toe without damage to nail, initial encounterBillable
S91.103DUnspecified open wound of unspecified great toe without damage to nail, subsequent encounterBillable
S91.103SUnspecified open wound of unspecified great toe without damage to nail, sequelaBillable
S91.104Unspecified open wound of right lesser toe(s) without damage to nailCategory
S91.104AUnspecified open wound of right lesser toe(s) without damage to nail, initial encounterBillable
S91.104DUnspecified open wound of right lesser toe(s) without damage to nail, subsequent encounterBillable
S91.104SUnspecified open wound of right lesser toe(s) without damage to nail, sequelaBillable
S91.105Unspecified open wound of left lesser toe(s) without damage to nailCategory
S91.105AUnspecified open wound of left lesser toe(s) without damage to nail, initial encounterBillable
S91.105DUnspecified open wound of left lesser toe(s) without damage to nail, subsequent encounterBillable
S91.105SUnspecified open wound of left lesser toe(s) without damage to nail, sequelaBillable
S91.106Unspecified open wound of unspecified lesser toe(s) without damage to nailCategory
S91.106AUnspecified open wound of unspecified lesser toe(s) without damage to nail, initial encounterBillable
S91.106DUnspecified open wound of unspecified lesser toe(s) without damage to nail, subsequent encounterBillable
S91.106SUnspecified open wound of unspecified lesser toe(s) without damage to nail, sequelaBillable
S91.109Unspecified open wound of unspecified toe(s) without damage to nailCategory
S91.109AUnspecified open wound of unspecified toe(s) without damage to nail, initial encounterBillable
S91.109DUnspecified open wound of unspecified toe(s) without damage to nail, subsequent encounterBillable
S91.109SUnspecified open wound of unspecified toe(s) without damage to nail, sequelaBillable
S91.11Laceration without foreign body of toe without damage to nailCategory

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.