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O70.21

Billable

Third degree perineal laceration during delivery, IIIa

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A severe tear in the perineum during childbirth that extends through the external anal sphincter muscle but not the internal anal sphincter.

Coding Tips

  • •IIIa is the least severe third degree laceration subtype
  • •Requires detailed anatomical documentation to distinguish from IIIb and IIIc subtypes

Code Hierarchy

└O70Perineal laceration during delivery└O70.2Third degree perineal laceration during delivery└O70.21Third degree perineal laceration during delivery, IIIa
└O70.21Third degree perineal laceration during delivery, IIIa

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