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ICD-10-CM · FY 2026 APRIL UPDATE

S82.55

Nondisplaced fracture of medial malleolus of left tibia

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
S82.55XANondisplaced fracture of medial malleolus of left tibia, initial encounter for closed fractureBillable
S82.55XBNondisplaced fracture of medial malleolus of left tibia, initial encounter for open fracture type I or IIBillable
S82.55XCNondisplaced fracture of medial malleolus of left tibia, initial encounter for open fracture type IIIA, IIIB, or IIICBillable
S82.55XDNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with routine healingBillable
S82.55XENondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with routine healingBillable
S82.55XFNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingBillable
S82.55XGNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with delayed healingBillable
S82.55XHNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with delayed healingBillable
S82.55XJNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingBillable
S82.55XKNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with nonunionBillable
S82.55XMNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with nonunionBillable
S82.55XNNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionBillable
S82.55XPNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with malunionBillable
S82.55XQNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunionBillable
S82.55XRNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionBillable
S82.55XSNondisplaced fracture of medial malleolus of left tibia, 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.