Excessive vomiting in pregnancy
Non-billable header
O21 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes
- Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Note: 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)
- Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- Note: 1st trimester- less than 14 weeks 0 days
- Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- Note: 3rd trimester- 28 weeks 0 days until delivery
Excludes1
Not coded here — never report together with this code.
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here — may be reported together when both conditions exist.
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
- 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)
Use additional code
Add a code to identify the following, if applicable.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
More specific codes O21
Related codes
- O20Hemorrhage in early pregnancyHeader
- O22Venous complications and hemorrhoids in pregnancyHeader
- O23Infections of genitourinary tract in pregnancyHeader
- O24Diabetes mellitus in pregnancy, childbirth, and the puerperiumHeader
- O25Malnutrition in pregnancy, childbirth and the puerperiumHeader
- O26Maternal care for other conditions predominantly related to pregnancyHeader
- O28Abnormal findings on antenatal screening of motherHeader
- O29Complications of anesthesia during pregnancyHeader