Code
Hierarchy
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O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
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
O02.81
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Biochemical pregnancy
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Chemical pregnancy
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Inappropriate level of quantitative human chorionic gonadotropin (hCG) for gestational age in early pregnancy
Use Additional
Excludes 1
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abnormal products of conception with blighted ovum (O02.0)
- O02.0 Blighted ovum and nonhydatidiform mole
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abnormal products of conception with hydatidiform mole (O01.-)
- O01 Hydatidiform mole
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abnormal products of conception with nonhydatidiform mole (O02.0)
- O02.0 Blighted ovum and nonhydatidiform mole
- O31.0 Papyraceous fetus
- continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)
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supervision of normal pregnancy (Z34.-)
- Z34 Encounter for supervision of normal pregnancy