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S93.522 vs S93.523

S93.522 (Sprain of metatarsophalangeal joint of left great toe) compared with S93.523 (Sprain of metatarsophalangeal joint of unspecified great toe), from the official CMS tabular data. S93.522 and S93.523 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S93.522
Left
Sprain of metatarsophalangeal joint of left great toe
S93.523
Unspecified
Sprain of metatarsophalangeal joint of unspecified 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. S93.522 and S93.523 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

S93.522Sprain of metatarsophalangeal joint of left great toeS93.523Sprain of metatarsophalangeal joint of unspecified great toe
Billing statusNon-billable header

Report instead: S93.522A, S93.522D, S93.522S

Non-billable header

Report instead: S93.523A, S93.523D, S93.523S

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)
DefinitionSprain of metatarsophalangeal joint of left great toe is a non-billable ICD-10-CM category code (S93.522).Sprain of metatarsophalangeal joint of unspecified great toe is a non-billable ICD-10-CM category code (S93.523).
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