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
O77.8
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Labor and delivery complicated by electrocardiographic evidence of fetal stress
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Labor and delivery complicated by ultrasonic evidence of fetal stress
Use Additional
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code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes 1
O77.8
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abnormality of fetal acid-base balance (O68)
- O68 Labor and delivery complicated by abnormality of fetal acid-base balance
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abnormality in fetal heart rate or rhythm (O76)
- O76 Abnormality in fetal heart rate and rhythm complicating labor and delivery
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fetal metabolic acidemia (O68)
- O68 Labor and delivery complicated by abnormality of fetal acid-base balance
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supervision of normal pregnancy (Z34.-)
- Z34 Encounter for supervision of normal pregnancy