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S99.191P vs S99.199P

S99.191P (Other physeal fracture of right metatarsal, subsequent encounter for fracture with malunion) compared with S99.199P (Other physeal fracture of unspecified metatarsal, subsequent encounter for fracture with malunion), from the official CMS tabular data. S99.191P and S99.199P code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S99.191P
Right
Other physeal fracture of right metatarsal, subsequent encounter for fracture with malunion
↔
S99.199P
Unspecified
Other physeal fracture of unspecified metatarsal, subsequent encounter for fracture with malunion

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. S99.191P and S99.199P 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

S99.191POther physeal fracture of right metatarsal, subsequent encounter for fracture with malunionS99.199POther physeal fracture of unspecified metatarsal, subsequent encounter for fracture with malunion
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionOther physeal fracture of right metatarsal, subsequent encounter for fracture with malunion is a billable ICD-10-CM diagnosis code (S99.191P).Other physeal fracture of unspecified metatarsal, subsequent encounter for fracture with malunion is a billable ICD-10-CM diagnosis code (S99.199P).
7th characterThe appropriate 7th character is to be added to each code from subcategories S99.1The appropriate 7th character is to be added to each code from subcategories S99.1
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources