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S63.321 vs S63.329

S63.321 (Traumatic rupture of right radiocarpal ligament) compared with S63.329 (Traumatic rupture of unspecified radiocarpal ligament), from the official CMS tabular data. S63.321 and S63.329 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S63.321
Right
Traumatic rupture of right radiocarpal ligament
S63.329
Unspecified
Traumatic rupture of unspecified radiocarpal ligament

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. S63.321 and S63.329 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

S63.321Traumatic rupture of right radiocarpal ligamentS63.329Traumatic rupture of unspecified radiocarpal ligament
Billing statusNon-billable header

Report instead: S63.321A, S63.321D, S63.321S

Non-billable header

Report instead: S63.329A, S63.329D, S63.329S

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 right radiocarpal ligament is a non-billable ICD-10-CM category code (S63.321).Traumatic rupture of unspecified radiocarpal ligament is a non-billable ICD-10-CM category code (S63.329).
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