Skip to main content

S43.022A vs S43.023A

S43.022A (Posterior subluxation of left humerus, initial encounter) compared with S43.023A (Posterior subluxation of unspecified humerus, initial encounter), from the official CMS tabular data. S43.022A and S43.023A code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S43.022A
Left
Posterior subluxation of left humerus, initial encounter
S43.023A
Unspecified
Posterior subluxation of unspecified humerus, initial 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. S43.022A and S43.023A 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

S43.022APosterior subluxation of left humerus, initial encounterS43.023APosterior subluxation of unspecified humerus, initial encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionPosterior subluxation of left humerus, initial encounter is a billable ICD-10-CM diagnosis code (S43.022A).Posterior subluxation of unspecified humerus, initial encounter is a billable ICD-10-CM diagnosis code (S43.023A).
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