ICD-10 CM Code O36.21
O36.21
Maternal care for hydrops fetalis, first trimester
Includes
- the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
Inclusion Term
- Maternal care for hydrops fetalis NOS
- Maternal care for hydrops fetalis not associated with isoimmunization
Excludes Type 1
- hydrops fetalis associated with ABO isoimmunization (O36.1-)
- hydrops fetalis associated with rhesus isoimmunization (O36.0-)
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
- placental transfusion syndromes (O43.0-)
Excludes Type 2
- labor and delivery complicated by fetal stress (O77.-)
7th Character
- One of the following 7th characters is to be assigned to each code under category O36. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O36 that has a 7th character of 1 through 9.
- 0 - not applicable or unspecified
- 1 - fetus 1
- 2 - fetus 2
- 3 - fetus 3
- 4 - fetus 4
- 5 - fetus 5
- 9 - other fetus
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