kodex

Kodex

O21.1

Hyperemesis gravidarum with metabolic disturbance

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Hierarchy

  • O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
    • O20-O29 Other maternal disorders predominantly related to pregnancy (O20-O29)
      • O21 Excessive vomiting in pregnancy
        • 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

Notes

O00-O9A

  • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • 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)
  • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • 1st trimester- less than 14 weeks 0 days
  • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • 3rd trimester- 28 weeks 0 days until delivery

Inclusion Terms

O21.1

  • 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

Use Additional

O00-O9A

  • code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes 1

O00-O9A

  • supervision of normal pregnancy (Z34.-)
    • Z34 Encounter for supervision of normal pregnancy

Excludes 2

O20-O29

  • O30-O48 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)

O00-O9A

  • mental and behavioral disorders associated with the puerperium (F53.-)
    • F53 Mental and behavioral disorders associated with the puerperium, not elsewhere classified
  • A34 Obstetrical tetanus
  • postpartum necrosis of pituitary gland (E23.0)
  • M83.0 Puerperal osteomalacia