1. O70 Perineal laceration during delivery

    Includes:

    • episiotomy extended by laceration

    Excludes1

    • obstetric high vaginal laceration alone (O71.4)
    1. O70.0 First degree perineal laceration during delivery

      Inclusion term(s):

      • 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
    2. O70.1 Second degree perineal laceration during delivery

      Inclusion term(s):

      • 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
    3. O70.2 Third degree perineal laceration during delivery

      Inclusion term(s):

      • 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
      1. O70.20 Third degree perineal laceration during delivery, unspecified

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

        Inclusion term(s):

        • Third degree perineal laceration during delivery with less than 50% of external anal sphincter (EAS) thickness torn
      3. O70.22 Third degree perineal laceration during delivery, IIIb

        Inclusion term(s):

        • Third degree perineal laceration during delivery with more than 50% external anal sphincter (EAS) thickness torn
      4. O70.23 Third degree perineal laceration during delivery, IIIc

        Inclusion term(s):

        • Third degree perineal laceration during delivery with both external anal sphincter (EAS) and internal anal sphincter (IAS) torn
    4. O70.3 Fourth degree perineal laceration during delivery

      Inclusion term(s):

      • 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
    5. O70.4 Anal sphincter tear complicating delivery, not associated with third degree laceration

    6. O70.9 Perineal laceration during delivery, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.