S43.21
⚠ Non-billable (Header)Anterior subluxation and dislocation of sternoclavicular joint
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for S43.21
Child Codes (6)
S43.211Anterior subluxation of right sternoclavicular jointS43.212Anterior subluxation of left sternoclavicular jointS43.213Anterior subluxation of unspecified sternoclavicular jointS43.214Anterior dislocation of right sternoclavicular jointS43.215Anterior dislocation of left sternoclavicular jointS43.216Anterior dislocation of unspecified sternoclavicular joint
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CodeS43.21
BillableNo — Header code
ParentS43.2
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)