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S43.421S vs S43.429S

S43.421S (Sprain of right rotator cuff capsule, sequela) compared with S43.429S (Sprain of unspecified rotator cuff capsule, sequela), from the official CMS tabular data. S43.421S and S43.429S code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S43.421S
Right
Sprain of right rotator cuff capsule, sequela
S43.429S
Unspecified
Sprain of unspecified rotator cuff capsule, 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. S43.421S and S43.429S 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

S43.421SSprain of right rotator cuff capsule, sequelaS43.429SSprain of unspecified rotator cuff capsule, 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)
DefinitionSprain of right rotator cuff capsule, sequela is a billable ICD-10-CM diagnosis code (S43.421S).Sprain of unspecified rotator cuff capsule, sequela is a billable ICD-10-CM diagnosis code (S43.429S).
7th characterThe appropriate 7th character is to be added to each code from category S43The appropriate 7th character is to be added to each code from category S43
Includes
avulsion of joint or ligament of shoulder girdle
laceration of cartilage, joint or ligament of shoulder girdle
sprain of cartilage, joint or ligament of shoulder girdle
traumatic hemarthrosis of joint or ligament of shoulder girdle
avulsion of joint or ligament of shoulder girdle
laceration of cartilage, joint or ligament of shoulder girdle
sprain of cartilage, joint or ligament of shoulder girdle
traumatic hemarthrosis of joint or ligament of shoulder girdle

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