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S56.127S vs S56.128S

S56.127S (Laceration of flexor muscle, fascia and tendon of right little finger at forearm level, sequela) compared with S56.128S (Laceration of flexor muscle, fascia and tendon of left little finger at forearm level, sequela), from the official CMS tabular data. S56.127S and S56.128S code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S56.127S
Right
Laceration of flexor muscle, fascia and tendon of right little finger at forearm level, sequela
S56.128S
Left
Laceration of flexor muscle, fascia and tendon of left little finger at forearm level, sequela

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. S56.127S and S56.128S 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

S56.127SLaceration of flexor muscle, fascia and tendon of right little finger at forearm level, sequelaS56.128SLaceration of flexor muscle, fascia and tendon of left little finger at forearm level, sequela
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)
DefinitionLaceration of flexor muscle, fascia and tendon of right little finger at forearm level, sequela is a billable ICD-10-CM diagnosis code (S56.127S).Laceration of flexor muscle, fascia and tendon of left little finger at forearm level, sequela is a billable ICD-10-CM diagnosis code (S56.128S).
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