the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
placental transfusion syndromes (O43.0-)
labor and delivery complicated by fetal stress (O77.-)
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.
not applicable or unspecified
fetus 1
fetus 2
fetus 3
fetus 4
fetus 5
other fetus
O36.0
Maternal care for rhesus isoimmunization
Maternal care for Rh incompatibility (with hydrops fetalis)
O36.01
Maternal care for anti-D [Rh] antibodies
O36.011
Maternal care for anti-D [Rh] antibodies, first trimester
O36.012
Maternal care for anti-D [Rh] antibodies, second trimester
O36.013
Maternal care for anti-D [Rh] antibodies, third trimester
O36.019
Maternal care for anti-D [Rh] antibodies, unspecified trimester
O36.09
Maternal care for other rhesus isoimmunization
O36.091
Maternal care for other rhesus isoimmunization, first trimester
O36.092
Maternal care for other rhesus isoimmunization, second trimester
O36.093
Maternal care for other rhesus isoimmunization, third trimester
O36.099
Maternal care for other rhesus isoimmunization, unspecified trimester
O36.1
Maternal care for other isoimmunization
Maternal care for ABO isoimmunization
O36.11
Maternal care for Anti-A sensitization
Maternal care for isoimmunization NOS (with hydrops fetalis)
O36.111
Maternal care for Anti-A sensitization, first trimester
O36.112
Maternal care for Anti-A sensitization, second trimester
O36.113
Maternal care for Anti-A sensitization, third trimester
O36.119
Maternal care for Anti-A sensitization, unspecified trimester
O36.19
Maternal care for other isoimmunization
Maternal care for Anti-B sensitization
O36.191
Maternal care for other isoimmunization, first trimester
O36.192
Maternal care for other isoimmunization, second trimester
O36.193
Maternal care for other isoimmunization, third trimester
O36.199
Maternal care for other isoimmunization, unspecified trimester
O36.2
Maternal care for hydrops fetalis
hydrops fetalis associated with ABO isoimmunization (O36.1-)
hydrops fetalis associated with rhesus isoimmunization (O36.0-)
Maternal care for hydrops fetalis NOS
Maternal care for hydrops fetalis not associated with isoimmunization
O36.20
Maternal care for hydrops fetalis, unspecified trimester
O36.21
Maternal care for hydrops fetalis, first trimester
O36.22
Maternal care for hydrops fetalis, second trimester
O36.23
Maternal care for hydrops fetalis, third trimester
O36.4
Maternal care for intrauterine death
missed abortion (O02.1)
stillbirth (P95)
Maternal care for intrauterine fetal death NOS
Maternal care for intrauterine fetal death after completion of 20 weeks of gestation
Maternal care for late fetal death
Maternal care for missed delivery
O36.5
Maternal care for known or suspected poor fetal growth
O36.51
Maternal care for known or suspected placental insufficiency
O36.511
Maternal care for known or suspected placental insufficiency, first trimester
O36.512
Maternal care for known or suspected placental insufficiency, second trimester
O36.513
Maternal care for known or suspected placental insufficiency, third trimester
O36.519
Maternal care for known or suspected placental insufficiency, unspecified trimester
O36.59
Maternal care for other known or suspected poor fetal growth
Maternal care for known or suspected light-for-dates NOS
Maternal care for known or suspected small-for-dates NOS
O36.591
Maternal care for other known or suspected poor fetal growth, first trimester
O36.592
Maternal care for other known or suspected poor fetal growth, second trimester
O36.593
Maternal care for other known or suspected poor fetal growth, third trimester
O36.599
Maternal care for other known or suspected poor fetal growth, unspecified trimester
O36.6
Maternal care for excessive fetal growth
Maternal care for known or suspected large-for-dates
O36.60
Maternal care for excessive fetal growth, unspecified trimester
O36.61
Maternal care for excessive fetal growth, first trimester
O36.62
Maternal care for excessive fetal growth, second trimester
O36.63
Maternal care for excessive fetal growth, third trimester
O36.7
Maternal care for viable fetus in abdominal pregnancy
O36.70
Maternal care for viable fetus in abdominal pregnancy, unspecified trimester
O36.71
Maternal care for viable fetus in abdominal pregnancy, first trimester
O36.72
Maternal care for viable fetus in abdominal pregnancy, second trimester
O36.73
Maternal care for viable fetus in abdominal pregnancy, third trimester
O36.8
Maternal care for other specified fetal problems
O36.80
Pregnancy with inconclusive fetal viability
Encounter to determine fetal viability of pregnancy
O36.81
Decreased fetal movements
O36.812
Decreased fetal movements, second trimester
O36.813
Decreased fetal movements, third trimester
O36.819
Decreased fetal movements, unspecified trimester
O36.82
Fetal anemia and thrombocytopenia
O36.821
Fetal anemia and thrombocytopenia, first trimester
O36.822
Fetal anemia and thrombocytopenia, second trimester
O36.823
Fetal anemia and thrombocytopenia, third trimester
O36.829
Fetal anemia and thrombocytopenia, unspecified trimester
O36.83
Maternal care for abnormalities of the fetal heart rate or rhythm
O36.831
Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
O36.832
Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester
O36.833
Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester
O36.839
Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester
O36.89
Maternal care for other specified fetal problems
O36.891
Maternal care for other specified fetal problems, first trimester
O36.892
Maternal care for other specified fetal problems, second trimester
O36.893
Maternal care for other specified fetal problems, third trimester
O36.899
Maternal care for other specified fetal problems, unspecified trimester
O36.9
Maternal care for fetal problem, unspecified
O36.90
Maternal care for fetal problem, unspecified, unspecified trimester
O36.91
Maternal care for fetal problem, unspecified, first trimester
O36.92
Maternal care for fetal problem, unspecified, second trimester
O36.93
Maternal care for fetal problem, unspecified, third trimester