ICD-10-CM · Chapter 15 · O00-O9A
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
Excludes 1 (cannot be coded together)
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
- placental transfusion syndromes (O43.0-)
Excludes 2 (not included here)
- labor and delivery complicated by fetal stress (O77.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O36..0 | Maternal care for rhesus isoimmunization | No |
| O36..01 | Maternal care for anti-D [Rh] antibodies | No |
| O36..011 | Maternal care for anti-D [Rh] antibodies, first trimester | No |
| O36..012 | Maternal care for anti-D [Rh] antibodies, second trimester | No |
| O36..013 | Maternal care for anti-D [Rh] antibodies, third trimester | No |
| O36..019 | Maternal care for anti-D [Rh] antibodies, unspecified trimester | No |
| O36..09 | Maternal care for other rhesus isoimmunization | No |
| O36..091 | Maternal care for other rhesus isoimmunization, first trimester | No |
| O36..092 | Maternal care for other rhesus isoimmunization, second trimester | No |
| O36..093 | Maternal care for other rhesus isoimmunization, third trimester | No |
| O36..099 | Maternal care for other rhesus isoimmunization, unspecified trimester | No |
| O36..1 | Maternal care for other isoimmunization | No |
| O36..11 | Maternal care for Anti-A sensitization | No |
| O36..111 | Maternal care for Anti-A sensitization, first trimester | No |
| O36..112 | Maternal care for Anti-A sensitization, second trimester | No |
| O36..113 | Maternal care for Anti-A sensitization, third trimester | No |
| O36..119 | Maternal care for Anti-A sensitization, unspecified trimester | No |
| O36..19 | Maternal care for other isoimmunization | No |
| O36..191 | Maternal care for other isoimmunization, first trimester | No |
| O36..192 | Maternal care for other isoimmunization, second trimester | No |
| O36..193 | Maternal care for other isoimmunization, third trimester | No |
| O36..199 | Maternal care for other isoimmunization, unspecified trimester | No |
| O36..2 | Maternal care for hydrops fetalis | No |
| O36..20 | Maternal care for hydrops fetalis, unspecified trimester | No |
| O36..21 | Maternal care for hydrops fetalis, first trimester | No |
| O36..22 | Maternal care for hydrops fetalis, second trimester | No |
| O36..23 | Maternal care for hydrops fetalis, third trimester | No |
| O36..4 | Maternal care for intrauterine death | No |
| O36..5 | Maternal care for known or suspected poor fetal growth | No |
| O36..51 | Maternal care for known or suspected placental insufficiency | No |
| O36..511 | Maternal care for known or suspected placental insufficiency, first trimester | No |
| O36..512 | Maternal care for known or suspected placental insufficiency, second trimester | No |
| O36..513 | Maternal care for known or suspected placental insufficiency, third trimester | No |
| O36..519 | Maternal care for known or suspected placental insufficiency, unspecified trimester | No |
| O36..59 | Maternal care for other known or suspected poor fetal growth | No |
| O36..591 | Maternal care for other known or suspected poor fetal growth, first trimester | No |
| O36..592 | Maternal care for other known or suspected poor fetal growth, second trimester | No |
| O36..593 | Maternal care for other known or suspected poor fetal growth, third trimester | No |
| O36..599 | Maternal care for other known or suspected poor fetal growth, unspecified trimester | No |
| O36..6 | Maternal care for excessive fetal growth | No |
| O36..60 | Maternal care for excessive fetal growth, unspecified trimester | No |
| O36..61 | Maternal care for excessive fetal growth, first trimester | No |
| O36..62 | Maternal care for excessive fetal growth, second trimester | No |
| O36..63 | Maternal care for excessive fetal growth, third trimester | No |
| O36..7 | Maternal care for viable fetus in abdominal pregnancy | No |
| O36..70 | Maternal care for viable fetus in abdominal pregnancy, unspecified trimester | No |
| O36..71 | Maternal care for viable fetus in abdominal pregnancy, first trimester | No |
| O36..72 | Maternal care for viable fetus in abdominal pregnancy, second trimester | No |
| O36..73 | Maternal care for viable fetus in abdominal pregnancy, third trimester | No |
| O36..8 | Maternal care for other specified fetal problems | No |
| O36..80 | Pregnancy with inconclusive fetal viability | No |
| O36..81 | Decreased fetal movements | No |
| O36..812 | Decreased fetal movements, second trimester | No |
| O36..813 | Decreased fetal movements, third trimester | No |
| O36..819 | Decreased fetal movements, unspecified trimester | No |
| O36..82 | Fetal anemia and thrombocytopenia | No |
| O36..821 | Fetal anemia and thrombocytopenia, first trimester | No |
| O36..822 | Fetal anemia and thrombocytopenia, second trimester | No |
| O36..823 | Fetal anemia and thrombocytopenia, third trimester | No |
| O36..829 | Fetal anemia and thrombocytopenia, unspecified trimester | No |
| O36..83 | Maternal care for abnormalities of the fetal heart rate or rhythm | No |
| O36..831 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester | No |
| O36..832 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester | No |
| O36..833 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester | No |
| O36..839 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester | No |
| O36..89 | Maternal care for other specified fetal problems | No |
| O36..891 | Maternal care for other specified fetal problems, first trimester | No |
| O36..892 | Maternal care for other specified fetal problems, second trimester | No |
| O36..893 | Maternal care for other specified fetal problems, third trimester | No |
| O36..899 | Maternal care for other specified fetal problems, unspecified trimester | No |
| O36..9 | Maternal care for fetal problem, unspecified | No |
| O36..90 | Maternal care for fetal problem, unspecified, unspecified trimester | No |
| O36..91 | Maternal care for fetal problem, unspecified, first trimester | No |
| O36..92 | Maternal care for fetal problem, unspecified, second trimester | No |
| O36..93 | Maternal care for fetal problem, unspecified, third trimester | No |
Last reviewed: September 2026