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ICD-10-CM · FY 2026 APRIL UPDATE

S83.12

Posterior subluxation and dislocation of proximal end of tibia

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
S83.121Posterior subluxation of proximal end of tibia, right kneeCategory
S83.121APosterior subluxation of proximal end of tibia, right knee, initial encounterBillable
S83.121DPosterior subluxation of proximal end of tibia, right knee, subsequent encounterBillable
S83.121SPosterior subluxation of proximal end of tibia, right knee, sequelaBillable
S83.122Posterior subluxation of proximal end of tibia, left kneeCategory
S83.122APosterior subluxation of proximal end of tibia, left knee, initial encounterBillable
S83.122DPosterior subluxation of proximal end of tibia, left knee, subsequent encounterBillable
S83.122SPosterior subluxation of proximal end of tibia, left knee, sequelaBillable
S83.123Posterior subluxation of proximal end of tibia, unspecified kneeCategory
S83.123APosterior subluxation of proximal end of tibia, unspecified knee, initial encounterBillable
S83.123DPosterior subluxation of proximal end of tibia, unspecified knee, subsequent encounterBillable
S83.123SPosterior subluxation of proximal end of tibia, unspecified knee, sequelaBillable
S83.124Posterior dislocation of proximal end of tibia, right kneeCategory
S83.124APosterior dislocation of proximal end of tibia, right knee, initial encounterBillable
S83.124DPosterior dislocation of proximal end of tibia, right knee, subsequent encounterBillable
S83.124SPosterior dislocation of proximal end of tibia, right knee, sequelaBillable
S83.125Posterior dislocation of proximal end of tibia, left kneeCategory
S83.125APosterior dislocation of proximal end of tibia, left knee, initial encounterBillable
S83.125DPosterior dislocation of proximal end of tibia, left knee, subsequent encounterBillable
S83.125SPosterior dislocation of proximal end of tibia, left knee, sequelaBillable
S83.126Posterior dislocation of proximal end of tibia, unspecified kneeCategory
S83.126APosterior dislocation of proximal end of tibia, unspecified knee, initial encounterBillable
S83.126DPosterior dislocation of proximal end of tibia, unspecified knee, subsequent encounterBillable
S83.126SPosterior dislocation of proximal end of tibia, unspecified knee, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.