S82.55
⚠ Non-billable (Header)Nondisplaced fracture of medial malleolus of left tibia
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from S82.5Rules from parent category S82.5: Fracture of medial malleolus
- • pilon fracture of distal tibia (S82.87-)
- • Salter-Harris type III of lower end of tibia (S89.13-)
- • Salter-Harris type IV of lower end of tibia (S89.14-)
Child Codes (16)
S82.55XANondisplaced fracture of medial malleolus of left tibia, initial encounter for closed fractureS82.55XBNondisplaced fracture of medial malleolus of left tibia, initial encounter for open fracture type I or IIS82.55XCNondisplaced fracture of medial malleolus of left tibia, initial encounter for open fracture type IIIA, IIIB, or IIICS82.55XDNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with routine healingS82.55XENondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with routine healingS82.55XFNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS82.55XGNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with delayed healingS82.55XHNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with delayed healingS82.55XJNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS82.55XKNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with nonunionS82.55XMNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with nonunionS82.55XNNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS82.55XPNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with malunionS82.55XQNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunionS82.55XRNondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS82.55XSNondisplaced fracture of medial malleolus of left tibia, sequela
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CodeS82.55
BillableNo — Header code
ParentS82.5
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes13 rule(s)
Excludes20 note(s)
Child codes16
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)