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664 Trauma to perineum and vulva during delivery

          [Do not use fourth digit for underlying cause of death]

664.0 First-degree perineal laceration

          Perineal laceration, rupture, or tear (involving):
           fourchette
           hymen
           labia
           skin
           slight
           vagina
           vulva

664.1 Second-degree perineal laceration

          Perineal laceration, rupture, or tear (following episiotomy) involving:
           pelvic floor
           perineal muscles
           vaginal muscles
          Excludes: involving anal sphincter (664.2)

664.2 Third-degree perineal laceration

          Perineal laceration, rupture, or tear (following episiotomy) involving:
           anal sphincter
           rectovaginal septum
           sphincter NOS
          Excludes: with anal or rectal mucosal (664.3)

664.3 Fourth-degree perineal laceration

          Perineal laceration, rupture, or tear as in 664.2 and involving also:
           anal mucosa
           rectal mucosa

664.4 Unspecified perineal laceration

          Central laceration

664.5 Vulval and perineal hematoma

664.8 Other

664.9 Unspecified

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