Code
Hierarchy
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O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
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O94-O9A Other obstetric conditions, not elsewhere classified (O94-O9A)
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O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
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O98.3 Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium
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O98.31 Other infections with a predominantly sexual mode of transmission complicating pregnancy
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O98.311 Other infections with a predominantly sexual mode of transmission complicating pregnancy, first trimester
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O98.312 Other infections with a predominantly sexual mode of transmission complicating pregnancy, second trimester
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O98.313 Other infections with a predominantly sexual mode of transmission complicating pregnancy, third trimester
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O98.319 Other infections with a predominantly sexual mode of transmission complicating pregnancy, unspecified trimester
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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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Conditions in A55-A64
Use Additional
Includes
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the listed conditions when complicating the pregnant state, when aggravated by the pregnancy, or as a reason for obstetric care