ICD-10 CM Code O70.21
O70.21
Third degree perineal laceration during delivery, IIIa
Includes
- episiotomy extended by laceration
Inclusion Term
- Third degree perineal laceration during delivery with less than 50% of external anal sphincter (EAS) thickness torn
- Perineal laceration, rupture or tear during delivery as in O70.1, also involving anal sphincter
- Perineal laceration, rupture or tear during delivery as in O70.1, also involving rectovaginal septum
- Perineal laceration, rupture or tear during delivery as in O70.1, also involving sphincter NOS
Excludes Type 1
- anal sphincter tear during delivery without third degree perineal laceration (O70.4)
- perineal laceration involving anal or rectal mucosa (O70.3)
- obstetric high vaginal laceration alone (O71.4)
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