Code
Hierarchy
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O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
Long Title
O36.8324
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Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester fetus 4
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
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Maternal care for depressed fetal heart rate tones
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Maternal care for fetal bradycardia
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Maternal care for fetal heart rate abnormal variability
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Maternal care for fetal heart rate decelerations
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Maternal care for fetal heart rate irregularity
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Maternal care for fetal tachycardia
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Maternal care for non-reassuring fetal heart rate or rhythm
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.
Includes
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the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
Excludes 1
Excludes 2
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labor and delivery complicated by fetal stress (O77.-)
- O77 Other fetal stress complicating labor and delivery