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S82.64XH vs S82.87

S82.64XH (Nondisplaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type I or II with delayed healing) compared with S82.87 (Pilon fracture of tibia), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

S82.64XH
Nondisplaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type I or II with delayed healing
S82.87
Pilon fracture of tibia

Not coded here — these two are mutually exclusive.

“pilon fracture of distal tibia (S82.87-)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. S82.64XH carries an Excludes1 note covering S82.87: “pilon fracture of distal tibia (S82.87-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

S82.64XHNondisplaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type I or II with delayed healingS82.87Pilon fracture of tibia
Billing statusBillableNon-billable header
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionNondisplaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type I or II with delayed healing is a billable ICD-10-CM diagnosis code (S82.64H).Pilon fracture of tibia is a non-billable ICD-10-CM category code (S82.87).
7th characterThe appropriate 7th character is to be added to all codes from category S82The appropriate 7th character is to be added to all codes from category S82
Includes
fracture of malleolus
fracture of malleolus

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources