ICD-9-CM

Includes:

the listed conditions even if they arose or were present during labor, delivery, or the puerperium

The following fifth-digit subclassification is for use with categories 640-649 to denote the current episode of care:

0 unspecified as to episode of care or not applicable

1 delivered, with or without mention of antepartum condition

Antepartum condition with delivery

Delivery NOS (with mention of antepartum complication during current episode of care)

Intrapartum

obstetric condition (with mention of antepartum complication during current episode of care)

Pregnancy, delivered (with mention of antepartum complication during current episode of care)

2 delivered, with mention of postpartum complication

Delivery with mention of puerperal complication during current episode of care

3 antepartum condition or complication

Antepartum obstetric condition, not delivered during the current episode of care

4 postpartum condition or complication

Postpartum or puerperal obstetric condition or complication following delivery that occurred:

during previous episode of care

outside hospital, with subsequent admission for observation or care

643 Excessive vomiting in pregnancy Requires fifth digit; valid digits are in [brackets] under each code. see beginning of section 640-649 for definitions. Includes: hyperemesis arising during pregnancy vomiting: persistent arising during pregnancy vicious arising during pregnancy hyperemesis gravidarum
643.0: Mild hyperemesis gravidarum [0,1,3] Hyperemesis gravidarum, mild or unspecified, starting before the end of the 22nd week of gestation
643.1: Hyperemesis gravidarum with metabolic disturbance [0,1,3] Hyperemesis gravidarum, starting before the end of the 22nd week of gestation, with metabolic disturbance, such as: carbohydrate depletion dehydration electrolyte imbalance
643.2: Late vomiting of pregnancy [0,1,3] Excessive vomiting starting after 22 completed weeks of gestation
643.8: Other vomiting complicating pregnancy [0,1,3] Vomiting due to organic disease or other cause, specified as complicating pregnancy, or as a reason for obstetric care during pregnancy Use additional code to specify cause
643.9: Unspecified vomiting of pregnancy [0,1,3] Vomiting as a reason for care during pregnancy, length of gestation unspecified

643 Excessive vomiting in pregnancy

Requires fifth digit; valid digits are in [brackets] under each code. see beginning of section 640-649 for definitions.

Includes:

hyperemesis arising during pregnancy

vomiting:

persistent arising during pregnancy

vicious arising during pregnancy

hyperemesis gravidarum

[0,1,3]

Hyperemesis gravidarum, mild or unspecified, starting before the end of the 22nd week of gestation