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S56.511D vs S56.512D

S56.511D (Strain of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounter) compared with S56.512D (Strain of other extensor muscle, fascia and tendon at forearm level, left arm, subsequent encounter), from the official CMS tabular data. S56.511D and S56.512D code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S56.511D
Right
Strain of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounter
S56.512D
Left
Strain of other extensor muscle, fascia and tendon at forearm level, left arm, subsequent encounter

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. S56.511D and S56.512D 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

S56.511DStrain of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounterS56.512DStrain of other extensor muscle, fascia and tendon at forearm level, left arm, subsequent encounter
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)
DefinitionStrain of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounter is a billable ICD-10-CM diagnosis code (S56.511D).Strain of other extensor muscle, fascia and tendon at forearm level, left arm, subsequent encounter is a billable ICD-10-CM diagnosis code (S56.512D).
7th characterThe appropriate 7th character is to be added to each code from category S56The appropriate 7th character is to be added to each code from category S56

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