S82.56

Non-billable (Header)

Nondisplaced fracture of medial malleolus of unspecified 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.

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Excludes1

inherited from S82.5

Rules 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)

S82.56XANondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for closed fractureS82.56XBNondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for open fracture type I or IIS82.56XCNondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for open fracture type IIIA, IIIB, or IIICS82.56XDNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with routine healingS82.56XENondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with routine healingS82.56XFNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS82.56XGNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with delayed healingS82.56XHNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with delayed healingS82.56XJNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS82.56XKNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with nonunionS82.56XMNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with nonunionS82.56XNNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS82.56XPNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with malunionS82.56XQNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with malunionS82.56XRNondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS82.56XSNondisplaced fracture of medial malleolus of unspecified tibia, sequela

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Code Information

CodeS82.56
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)