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S82.51XJ vs S90

S82.51XJ (Displaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing) 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).

Relationship

Informational

Excludes2 relationship

S82.51XJ
Displaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
S90
Superficial injury of ankle, foot and toes

Distinct conditions — both may be reported.

“injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Can these codes be reported together?

Yes, when both are documented. S82.51XJ 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.

Side by side

S82.51XJDisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS90Superficial 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 IIIA, IIIB, or IIIC with delayed healing is a billable ICD-10-CM diagnosis code (S82.51J).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