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S63.312S vs S63.319S

S63.312S (Traumatic rupture of collateral ligament of left wrist, sequela) compared with S63.319S (Traumatic rupture of collateral ligament of unspecified wrist, sequela), from the official CMS tabular data. S63.312S and S63.319S code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S63.312S
Left
Traumatic rupture of collateral ligament of left wrist, sequela
S63.319S
Unspecified
Traumatic rupture of collateral ligament of unspecified wrist, 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. S63.312S and S63.319S 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

S63.312STraumatic rupture of collateral ligament of left wrist, sequelaS63.319STraumatic rupture of collateral ligament of unspecified wrist, 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)
DefinitionTraumatic rupture of collateral ligament of left wrist, sequela is a billable ICD-10-CM diagnosis code (S63.312S).Traumatic rupture of collateral ligament of unspecified wrist, sequela is a billable ICD-10-CM diagnosis code (S63.319S).
7th characterThe appropriate 7th character is to be added to each code from category S63The appropriate 7th character is to be added to each code from category S63
Includes
avulsion of joint or ligament at wrist and hand level
laceration of cartilage, joint or ligament at wrist and hand level
sprain of cartilage, joint or ligament at wrist and hand level
traumatic hemarthrosis of joint or ligament at wrist and hand level
avulsion of joint or ligament at wrist and hand level
laceration of cartilage, joint or ligament at wrist and hand level
sprain of cartilage, joint or ligament at wrist and hand level
traumatic hemarthrosis of joint or ligament at wrist and hand level

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