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ICD-10-CM · FY 2026 APRIL UPDATE

S01.9

Open wound of unspecified part of head

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
S01.90Unspecified open wound of unspecified part of headCategory
S01.90XAUnspecified open wound of unspecified part of head, initial encounterBillable
S01.90XDUnspecified open wound of unspecified part of head, subsequent encounterBillable
S01.90XSUnspecified open wound of unspecified part of head, sequelaBillable
S01.91Laceration without foreign body of unspecified part of headCategory
S01.91XALaceration without foreign body of unspecified part of head, initial encounterBillable
S01.91XDLaceration without foreign body of unspecified part of head, subsequent encounterBillable
S01.91XSLaceration without foreign body of unspecified part of head, sequelaBillable
S01.92Laceration with foreign body of unspecified part of headCategory
S01.92XALaceration with foreign body of unspecified part of head, initial encounterBillable
S01.92XDLaceration with foreign body of unspecified part of head, subsequent encounterBillable
S01.92XSLaceration with foreign body of unspecified part of head, sequelaBillable
S01.93Puncture wound without foreign body of unspecified part of headCategory
S01.93XAPuncture wound without foreign body of unspecified part of head, initial encounterBillable
S01.93XDPuncture wound without foreign body of unspecified part of head, subsequent encounterBillable
S01.93XSPuncture wound without foreign body of unspecified part of head, sequelaBillable
S01.94Puncture wound with foreign body of unspecified part of headCategory
S01.94XAPuncture wound with foreign body of unspecified part of head, initial encounterBillable
S01.94XDPuncture wound with foreign body of unspecified part of head, subsequent encounterBillable
S01.94XSPuncture wound with foreign body of unspecified part of head, sequelaBillable
S01.95Open bite of unspecified part of headCategory
S01.95XAOpen bite of unspecified part of head, initial encounterBillable
S01.95XDOpen bite of unspecified part of head, subsequent encounterBillable
S01.95XSOpen bite of unspecified part of head, 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.