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S32.445 vs S32.446

S32.445 (Nondisplaced fracture of posterior column [ilioischial] of left acetabulum) compared with S32.446 (Nondisplaced fracture of posterior column [ilioischial] of unspecified acetabulum), from the official CMS tabular data. S32.445 and S32.446 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S32.445
Left
Nondisplaced fracture of posterior column [ilioischial] of left acetabulum
S32.446
Unspecified
Nondisplaced fracture of posterior column [ilioischial] of unspecified acetabulum

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. S32.445 and S32.446 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

S32.445Nondisplaced fracture of posterior column [ilioischial] of left acetabulumS32.446Nondisplaced fracture of posterior column [ilioischial] of unspecified acetabulum
Billing statusNon-billable headerNon-billable header
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionNondisplaced fracture of posterior column [ilioischial] of left acetabulum is a non-billable ICD-10-CM category code (S32.445).Nondisplaced fracture of posterior column [ilioischial] of unspecified acetabulum is a non-billable ICD-10-CM category code (S32.446).
7th characterThe appropriate 7th character is to be added to each code from category S32The appropriate 7th character is to be added to each code from category S32
Includes
fracture of lumbosacral neural arch
fracture of lumbosacral spinous process
fracture of lumbosacral transverse process
fracture of lumbosacral vertebra
fracture of lumbosacral neural arch
fracture of lumbosacral spinous process
fracture of lumbosacral transverse process
fracture of lumbosacral vertebra
Code first
any associated spinal cord and spinal nerve injury (S34.-)
any associated spinal cord and spinal nerve injury (S34.-)

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