| ICD-10 Code | Description |
| O33.0 | Maternal care for disproportion due to deformity of maternal pelvic bones |
| O33.1 | Maternal care for disproportion due to generally contracted pelvis |
| O33.2 | Maternal care for disproportion due to inlet contraction of pelvis |
| O33.3XX0 | Maternal care for disproportion due to outlet contraction of pelvis, not applicable or unspecified |
| O33.3XX1 | Maternal care for disproportion due to outlet contraction of pelvis, fetus 1 |
| O33.3XX2 | Maternal care for disproportion due to outlet contraction of pelvis, fetus 2 |
| O33.3XX3 | Maternal care for disproportion due to outlet contraction of pelvis, fetus 3 |
| O33.3XX4 | Maternal care for disproportion due to outlet contraction of pelvis, fetus 4 |
| O33.3XX5 | Maternal care for disproportion due to outlet contraction of pelvis, fetus 5 |
| O33.3XX9 | Maternal care for disproportion due to outlet contraction of pelvis, other fetus |
| O33.4XX0 | Maternal care for disproportion of mixed maternal and fetal origin, not applicable or unspecified |
| O33.4XX1 | Maternal care for disproportion of mixed maternal and fetal origin, fetus 1 |
| O33.4XX2 | Maternal care for disproportion of mixed maternal and fetal origin, fetus 2 |
| O33.4XX3 | Maternal care for disproportion of mixed maternal and fetal origin, fetus 3 |
| O33.4XX4 | Maternal care for disproportion of mixed maternal and fetal origin, fetus 4 |
| O33.4XX5 | Maternal care for disproportion of mixed maternal and fetal origin, fetus 5 |
| O33.4XX9 | Maternal care for disproportion of mixed maternal and fetal origin, other fetus |
| O33.5XX0 | Maternal care for disproportion due to unusually large fetus, not applicable or unspecified |
| O33.5XX1 | Maternal care for disproportion due to unusually large fetus, fetus 1 |
| O33.5XX2 | Maternal care for disproportion due to unusually large fetus, fetus 2 |
| O33.5XX3 | Maternal care for disproportion due to unusually large fetus, fetus 3 |
| O33.5XX4 | Maternal care for disproportion due to unusually large fetus, fetus 4 |
| O33.5XX5 | Maternal care for disproportion due to unusually large fetus, fetus 5 |
| O33.5XX9 | Maternal care for disproportion due to unusually large fetus, other fetus |
| O33.6XX0 | Maternal care for disproportion due to hydrocephalic fetus, not applicable or unspecified |
| O33.6XX1 | Maternal care for disproportion due to hydrocephalic fetus, fetus 1 |
| O33.6XX2 | Maternal care for disproportion due to hydrocephalic fetus, fetus 2 |
| O33.6XX3 | Maternal care for disproportion due to hydrocephalic fetus, fetus 3 |
| O33.6XX4 | Maternal care for disproportion due to hydrocephalic fetus, fetus 4 |
| O33.6XX5 | Maternal care for disproportion due to hydrocephalic fetus, fetus 5 |
| O33.6XX9 | Maternal care for disproportion due to hydrocephalic fetus, other fetus |
| O33.7XX0 | Maternal care for disproportion due to other fetal deformities, not applicable or unspecified |
| O33.7XX1 | Maternal care for disproportion due to other fetal deformities, fetus 1 |
| O33.7XX2 | Maternal care for disproportion due to other fetal deformities, fetus 2 |
| O33.7XX3 | Maternal care for disproportion due to other fetal deformities, fetus 3 |
| O33.7XX4 | Maternal care for disproportion due to other fetal deformities, fetus 4 |
| O33.7XX5 | Maternal care for disproportion due to other fetal deformities, fetus 5 |
| O33.7XX9 | Maternal care for disproportion due to other fetal deformities, other fetus |
| O33.8 | Maternal care for disproportion of other origin |
| O33.9 | Maternal care for disproportion, unspecified |
