Code
Hierarchy
Notes
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CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
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Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
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Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
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1st trimester- less than 14 weeks 0 days
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2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
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3rd trimester- 28 weeks 0 days until delivery
Inclusion Terms
O70.21
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Third degree perineal laceration during delivery with less than 50% of external anal sphincter (EAS) thickness torn
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Perineal laceration, rupture or tear during delivery as in O70.1, also involving anal sphincter
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Perineal laceration, rupture or tear during delivery as in O70.1, also involving rectovaginal septum
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Perineal laceration, rupture or tear during delivery as in O70.1, also involving sphincter NOS
Use Additional
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code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Includes
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episiotomy extended by laceration
Excludes 1
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anal sphincter tear during delivery without third degree perineal laceration (O70.4)
- O70.4 Anal sphincter tear complicating delivery, not associated with third degree laceration
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perineal laceration involving anal or rectal mucosa (O70.3)
- O70.3 Fourth degree perineal laceration during delivery
- O71.4 Obstetric high vaginal laceration alone
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supervision of normal pregnancy (Z34.-)
- Z34 Encounter for supervision of normal pregnancy