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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > O00-O9A > O20-O29 > O21
O20-O29
Other maternal disorders predominantly related to pregnancy
Excl2.:
maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
O21

Excessive vomiting in pregnancy

O21.0
Mild hyperemesis gravidarum
Info:
Hyperemesis gravidarum, mild or unspecified, starting before the end of the 20th week of gestation
O21.1
Hyperemesis gravidarum with metabolic disturbance
Info:
Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as carbohydrate depletion
Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as dehydration
Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as electrolyte imbalance
O21.2
Late vomiting of pregnancy
Info:
Excessive vomiting starting after 20 completed weeks of gestation
O21.8
Other vomiting complicating pregnancy
Info:
Vomiting due to diseases classified elsewhere, complicating pregnancy
Use add'l
code, to identify cause.
O21.9
Vomiting of pregnancy, unspecified

 

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