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ICD-10-CM · FY 2026 APRIL UPDATE

S99.8

Other specified injuries of ankle and foot

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
S99.81Other specified injuries of ankleCategory
S99.811Other specified injuries of right ankleCategory
S99.811AOther specified injuries of right ankle, initial encounterBillable
S99.811DOther specified injuries of right ankle, subsequent encounterBillable
S99.811SOther specified injuries of right ankle, sequelaBillable
S99.812Other specified injuries of left ankleCategory
S99.812AOther specified injuries of left ankle, initial encounterBillable
S99.812DOther specified injuries of left ankle, subsequent encounterBillable
S99.812SOther specified injuries of left ankle, sequelaBillable
S99.819Other specified injuries of unspecified ankleCategory
S99.819AOther specified injuries of unspecified ankle, initial encounterBillable
S99.819DOther specified injuries of unspecified ankle, subsequent encounterBillable
S99.819SOther specified injuries of unspecified ankle, sequelaBillable
S99.82Other specified injuries of footCategory
S99.821Other specified injuries of right footCategory
S99.821AOther specified injuries of right foot, initial encounterBillable
S99.821DOther specified injuries of right foot, subsequent encounterBillable
S99.821SOther specified injuries of right foot, sequelaBillable
S99.822Other specified injuries of left footCategory
S99.822AOther specified injuries of left foot, initial encounterBillable
S99.822DOther specified injuries of left foot, subsequent encounterBillable
S99.822SOther specified injuries of left foot, sequelaBillable
S99.829Other specified injuries of unspecified footCategory
S99.829AOther specified injuries of unspecified foot, initial encounterBillable
S99.829DOther specified injuries of unspecified foot, subsequent encounterBillable
S99.829SOther specified injuries of unspecified foot, 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.