ICD-10-CM > O00-O9A > O60-O77 > O70 > O70.2 O70.2 Third degree perineal laceration during delivery Non-Billable/Non-Specific Applicable To Perineal laceration, rupture or tear during delivery as in O70.1, also involving anal sphincterPerineal laceration, rupture or tear during delivery as in O70.1, also involving rectovaginal septumPerineal laceration, rupture or tear during delivery as in O70.1, also involving sphincter NOS Type 1 Excludes anal sphincter tear during delivery without third degree perineal laceration (O70.4)perineal laceration involving anal or rectal mucosa (O70.3) Codes O70.20Third degree perineal laceration during delivery, unspecifiedO70.21Third degree perineal laceration during delivery, IIIaO70.22Third degree perineal laceration during delivery, IIIbO70.23Third degree perineal laceration during delivery, IIIc