O21 Excessive vomiting in pregnancy

Non-billable header with 5 child codes.

Codes under O21

• O21.0 Mild hyperemesis gravidarum
• O21.1 Hyperemesis gravidarum with metabolic disturbance
• O21.2 Late vomiting of pregnancy
• O21.8 Other vomiting complicating pregnancy
• O21.9 Vomiting of pregnancy, unspecified

Code annotations containing back-references to O21

Back-references to O21

• Type 1 Excludes: R11 Nausea and vomiting ("excessive vomiting in pregnancy (O21.-)")

Back-references to O21

• Type 1 Excludes: R11 Nausea and vomiting ("excessive vomiting in pregnancy (O21.-)")

Nearby codes

• O21 Excessive vomiting in pregnancy (this code)
• O21.0 Mild hyperemesis gravidarum
• O21.1 Hyperemesis gravidarum with metabolic disturbance
• O21.2 Late vomiting of pregnancy
• O21.8 Other vomiting complicating pregnancy
• O21.9 Vomiting of pregnancy, unspecified