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ICD-10-CM · FY 2026 APRIL UPDATE

S80.9

Unspecified superficial injury of knee and lower leg

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
S80.91Unspecified superficial injury of kneeCategory
S80.911Unspecified superficial injury of right kneeCategory
S80.911AUnspecified superficial injury of right knee, initial encounterBillable
S80.911DUnspecified superficial injury of right knee, subsequent encounterBillable
S80.911SUnspecified superficial injury of right knee, sequelaBillable
S80.912Unspecified superficial injury of left kneeCategory
S80.912AUnspecified superficial injury of left knee, initial encounterBillable
S80.912DUnspecified superficial injury of left knee, subsequent encounterBillable
S80.912SUnspecified superficial injury of left knee, sequelaBillable
S80.919Unspecified superficial injury of unspecified kneeCategory
S80.919AUnspecified superficial injury of unspecified knee, initial encounterBillable
S80.919DUnspecified superficial injury of unspecified knee, subsequent encounterBillable
S80.919SUnspecified superficial injury of unspecified knee, sequelaBillable
S80.92Unspecified superficial injury of lower legCategory
S80.921Unspecified superficial injury of right lower legCategory
S80.921AUnspecified superficial injury of right lower leg, initial encounterBillable
S80.921DUnspecified superficial injury of right lower leg, subsequent encounterBillable
S80.921SUnspecified superficial injury of right lower leg, sequelaBillable
S80.922Unspecified superficial injury of left lower legCategory
S80.922AUnspecified superficial injury of left lower leg, initial encounterBillable
S80.922DUnspecified superficial injury of left lower leg, subsequent encounterBillable
S80.922SUnspecified superficial injury of left lower leg, sequelaBillable
S80.929Unspecified superficial injury of unspecified lower legCategory
S80.929AUnspecified superficial injury of unspecified lower leg, initial encounterBillable
S80.929DUnspecified superficial injury of unspecified lower leg, subsequent encounterBillable
S80.929SUnspecified superficial injury of unspecified lower leg, 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.