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S82.51XQ vs S90

S82.51XQ (Displaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type I or II with malunion) compared with S90 (Superficial injury of ankle, foot and toes), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. S82.51XQ carries an Excludes2 note covering S90: “injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. S90 carries an Excludes2 note covering S82.51XQ: “fracture of ankle and malleolus (S82.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

S82.51XQDisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type I or II with malunionS90Superficial injury of ankle, foot and toes
Billing statusBillableNon-billable header

Report instead: S90.00XA, S90.00XD, S90.00XS, S90.01XA, S90.01XD

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)
DefinitionDisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type I or II with malunion is a billable ICD-10-CM diagnosis code (S82.51Q).Superficial injury of ankle, foot and toes is a non-billable ICD-10-CM category code (S90).
7th characterThe appropriate 7th character is to be added to all codes from category S82The appropriate 7th character is to be added to each code from category S90
Includes
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