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
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Conditions in D50-D64
Use Additional
Includes
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conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
Excludes 1
Excludes 2
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when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)