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O70

Perineal laceration during delivery

• episiotomy extended by laceration

• obstetric high vaginal laceration alone (O71.4)

O70.0

First degree perineal laceration during delivery

• Perineal laceration, rupture or tear involving fourchette during delivery
• Perineal laceration, rupture or tear involving labia during delivery
• Perineal laceration, rupture or tear involving skin during delivery
• Perineal laceration, rupture or tear involving vagina during delivery
• Perineal laceration, rupture or tear involving vulva during delivery
• Slight perineal laceration, rupture or tear during delivery

O70.1

Second degree perineal laceration during delivery

• perineal laceration involving anal sphincter (O70.2)

• Perineal laceration, rupture or tear during delivery as in O70.0, also involving pelvic floor
• Perineal laceration, rupture or tear during delivery as in O70.0, also involving perineal muscles
• Perineal laceration, rupture or tear during delivery as in O70.0, also involving vaginal muscles

O70.2

Third degree perineal laceration during delivery

• anal sphincter tear during delivery without third degree perineal laceration (O70.4)
• perineal laceration involving anal or rectal mucosa (O70.3)

• 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

O70.20

Third degree perineal laceration during delivery, unspecified

O70.21

Third degree perineal laceration during delivery, IIIa

• Third degree perineal laceration during delivery with less than 50% of external anal sphincter (EAS) thickness torn

O70.22

Third degree perineal laceration during delivery, IIIb

• Third degree perineal laceration during delivery with more than 50% external anal sphincter (EAS) thickness torn

O70.23

Third degree perineal laceration during delivery, IIIc

• Third degree perineal laceration during delivery with both external anal sphincter (EAS) and internal anal sphincter (IAS) torn

O70.3

Fourth degree perineal laceration during delivery

• Perineal laceration, rupture or tear during delivery as in O70.2, also involving anal mucosa
• Perineal laceration, rupture or tear during delivery as in O70.2, also involving rectal mucosa

O70.4

Anal sphincter tear complicating delivery, not associated with third degree laceration

• anal sphincter tear with third degree perineal laceration (O70.2)

O70.9

Perineal laceration during delivery, unspecified