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S82.421H vs S82.423H

S82.421H (Displaced transverse fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with delayed healing) compared with S82.423H (Displaced transverse fracture of shaft of unspecified fibula, subsequent encounter for open fracture type I or II with delayed healing), from the official CMS tabular data. S82.421H and S82.423H code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S82.421H
Right
Displaced transverse fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with delayed healing
S82.423H
Unspecified
Displaced transverse fracture of shaft of unspecified fibula, subsequent encounter for open fracture type I or II with delayed healing

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. S82.421H and S82.423H 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

S82.421HDisplaced transverse fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with delayed healingS82.423HDisplaced transverse fracture of shaft of unspecified fibula, subsequent encounter for open fracture type I or II with delayed healing
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)
DefinitionDisplaced transverse fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with delayed healing is a billable ICD-10-CM diagnosis code (S82.421H).Displaced transverse fracture of shaft of unspecified fibula, subsequent encounter for open fracture type I or II with delayed healing is a billable ICD-10-CM diagnosis code (S82.423H).
7th characterThe appropriate 7th character is to be added to all codes from category S82The appropriate 7th character is to be added to all codes from category S82
Includes
fracture of malleolus
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