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S93.121 vs S93.122

S93.121 (Dislocation of metatarsophalangeal joint of right great toe) compared with S93.122 (Dislocation of metatarsophalangeal joint of left great toe), from the official CMS tabular data. S93.121 and S93.122 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S93.121
Right
Dislocation of metatarsophalangeal joint of right great toe
S93.122
Left
Dislocation of metatarsophalangeal joint of left great toe

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S93.121 and S93.122 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

S93.121Dislocation of metatarsophalangeal joint of right great toeS93.122Dislocation of metatarsophalangeal joint of left great toe
Billing statusNon-billable header

Report instead: S93.121A, S93.121D, S93.121S

Non-billable header

Report instead: S93.122A, S93.122D, S93.122S

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)
DefinitionDislocation of metatarsophalangeal joint of right great toe is a non-billable ICD-10-CM category code (S93.121).Dislocation of metatarsophalangeal joint of left great toe is a non-billable ICD-10-CM category code (S93.122).
7th characterThe appropriate 7th character is to be added to each code from category S93The appropriate 7th character is to be added to each code from category S93
Includes
avulsion of joint or ligament of ankle, foot and toe
laceration of cartilage, joint or ligament of ankle, foot and toe
sprain of cartilage, joint or ligament of ankle, foot and toe
traumatic hemarthrosis of joint or ligament of ankle, foot and toe
avulsion of joint or ligament of ankle, foot and toe
laceration of cartilage, joint or ligament of ankle, foot and toe
sprain of cartilage, joint or ligament of ankle, foot and toe
traumatic hemarthrosis of joint or ligament of ankle, foot and toe

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