| O33.6XX0 | Maternal care for disproportion due to hydrocephalic fetus, not applicable or unspecified | BILLABLE CODE |
| O33.6XX1 | Maternal care for disproportion due to hydrocephalic fetus, fetus 1 | BILLABLE CODE |
| O33.6XX2 | Maternal care for disproportion due to hydrocephalic fetus, fetus 2 | BILLABLE CODE |
| O33.6XX3 | Maternal care for disproportion due to hydrocephalic fetus, fetus 3 | BILLABLE CODE |
| O33.6XX4 | Maternal care for disproportion due to hydrocephalic fetus, fetus 4 | BILLABLE CODE |
| O33.6XX5 | Maternal care for disproportion due to hydrocephalic fetus, fetus 5 | BILLABLE CODE |
| O33.6XX9 | Maternal care for disproportion due to hydrocephalic fetus, other fetus | BILLABLE CODE |
