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M93.031 vs M93.033

M93.031 (Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip) compared with M93.033 (Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip), from the official CMS tabular data. M93.031 and M93.033 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M93.031
Right
Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip
M93.033
Unspecified
Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip

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. M93.031 and M93.033 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

M93.031Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hipM93.033Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the musculoskeletal system and connective tissueM00-M99 — Diseases of the musculoskeletal system and connective tissue
DefinitionAcute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip is a billable ICD-10-CM diagnosis code (M93.031).Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip is a billable ICD-10-CM diagnosis code (M93.033).
Use additional code
code for associated chondrolysis (M94.3)
code for associated chondrolysis (M94.3)

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