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S62.344B vs S62.345B

S62.344B (Nondisplaced fracture of base of fourth metacarpal bone, right hand, initial encounter for open fracture) compared with S62.345B (Nondisplaced fracture of base of fourth metacarpal bone, left hand, initial encounter for open fracture), from the official CMS tabular data. S62.344B and S62.345B code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S62.344B
Right
Nondisplaced fracture of base of fourth metacarpal bone, right hand, initial encounter for open fracture
S62.345B
Left
Nondisplaced fracture of base of fourth metacarpal bone, left hand, initial encounter for open fracture

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. S62.344B and S62.345B 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

S62.344BNondisplaced fracture of base of fourth metacarpal bone, right hand, initial encounter for open fractureS62.345BNondisplaced fracture of base of fourth metacarpal bone, left hand, initial encounter for open fracture
Billing statusBillableBillable
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)
DefinitionNondisplaced fracture of base of fourth metacarpal bone, right hand, initial encounter for open fracture is a billable ICD-10-CM diagnosis code (S62.344B).Nondisplaced fracture of base of fourth metacarpal bone, left hand, initial encounter for open fracture is a billable ICD-10-CM diagnosis code (S62.345B).
7th characterThe appropriate 7th character is to be added to each code from category S62The appropriate 7th character is to be added to each code from category S62

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