O21.1 - Hyperemesis gravidarum with metabolic disturbance

The ICD 10 Code for Hyperemesis gravidarum with metabolic disturbance is listed as O21.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	O21.1
Description:	Hyperemesis gravidarum with metabolic disturbance 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
Diagnostic Related Groups (MS-DRG v30.0)	781 - Other Antepartum Diagnoses W Medical Complications

Chapter	Pregnancy, childbirth and the puerperium (O00-O9A)
Block	Other maternal disorders predominantly related to pregnancy (O20-O29)
Parent	O21 - Excessive vomiting in pregnancy
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code:	643.13 - Hyperemesis gravidarum with metabolic disturbance, antepartum condition or complication (approximate)
ICD-10-CM Siblings (same level / similar specificity) of O21.1:
O21.0 - Mild hyperemesis gravidarum
O21.2 - Late vomiting of pregnancy
O21.8 - Other vomiting complicating pregnancy
O21.9 - Vomiting of pregnancy, unspecified