S83.13
⚠ Non-billable (Header)Medial subluxation and dislocation of proximal end of tibia
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.
⚠️ Excludes2
inherited from S83.1Rules from parent category S83.1: Subluxation and dislocation of knee
- • instability of knee prosthesis (T84.022, T84.023)
Child Codes (6)
S83.131Medial subluxation of proximal end of tibia, right kneeS83.132Medial subluxation of proximal end of tibia, left kneeS83.133Medial subluxation of proximal end of tibia, unspecified kneeS83.134Medial dislocation of proximal end of tibia, right kneeS83.135Medial dislocation of proximal end of tibia, left kneeS83.136Medial dislocation of proximal end of tibia, unspecified knee
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CodeS83.13
BillableNo — Header code
ParentS83.1
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes21 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)