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assigned when assigning a code from category O35 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
O35.0 Maternal care for (suspected) central nervous system malformation in fetus
Maternal care for fetal anencephaly
Maternal care for fetal hydrocephalus
Maternal care for fetal spina bifida
Excludes2: chromosomal abnormality in fetus (O35.1)
O35.1 Maternal care for (suspected) chromosomal abnormality in fetus
O35.2 Maternal care for (suspected) hereditary disease in fetus
Excludes2: 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

O36 Maternal care for other fetal problems

Includes: the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
Excludes1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
placental