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O35

Maternal care for known or suspected fetal abnormality and damage

• the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy

• any associated maternal condition

• encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

• One of the following 7th characters is to be assigned to each code under category O35. 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 O35 that has a 7th character of 1 through 9.

• not applicable or unspecified
• fetus 1
• fetus 2
• fetus 3
• fetus 4
• fetus 5
• other fetus

O35.0

Maternal care for (suspected) central nervous system malformation in fetus

• chromosomal abnormality in fetus (O35.1)

• Maternal care for fetal anencephaly
• Maternal care for fetal hydrocephalus
• Maternal care for fetal spina bifida

O35.1

Maternal care for (suspected) chromosomal abnormality in fetus

O35.2

Maternal care for (suspected) hereditary disease in fetus

• chromosomal abnormality in fetus (O35.1)

O35.3

Maternal care for (suspected) damage to fetus from viral disease in mother

• Maternal care for damage to fetus from maternal cytomegalovirus infection
• Maternal care for damage to fetus from maternal rubella

O35.4

Maternal care for (suspected) damage to fetus from alcohol

O35.5

Maternal care for (suspected) damage to fetus by drugs

• Maternal care for damage to fetus from drug addiction

O35.6

Maternal care for (suspected) damage to fetus by radiation

O35.7

Maternal care for (suspected) damage to fetus by other medical procedures

• Maternal care for damage to fetus by amniocentesis
• Maternal care for damage to fetus by biopsy procedures
• Maternal care for damage to fetus by hematological investigation
• Maternal care for damage to fetus by intrauterine contraceptive device
• Maternal care for damage to fetus by intrauterine surgery

O35.8

Maternal care for other (suspected) fetal abnormality and damage

• Maternal care for damage to fetus from maternal listeriosis
• Maternal care for damage to fetus from maternal toxoplasmosis

O35.9

Maternal care for (suspected) fetal abnormality and damage, unspecified