| 11843-0 | Fetal Kidney Mean longitudinal diameter Estimated from gestational age | OB.US |
| 11844-8 | Fetal Liver Mean longitudinal diameter Estimated from abdominal circumference | OB.US |
| 11845-5 | Fetal Liver Mean longitudinal diameter Estimated from gestational age | OB.US |
| 11846-3 | Ovary largest follicle Maximum diameter US | OB.US |
| 11847-1 | Ovary - left largest follicle Maximum diameter US | OB.US |
| 11848-9 | Ovary - right largest follicle Maximum diameter US | OB.US |
| 11849-7 | Fetal Abdomen Mean diameter Estimated from gestational age | OB.US |
| 1185-8 | little i Ab from Donor (qualitative) | BLDBK |
| 11850-5 | Gestational sac Mean diameter US | OB.US |
| 11851-3 | Fetal Head Diameter.occipito-frontal US | OB.US |
| 11852-1 | Fetal Head Diameter.outer to outer US | OB.US |
| 11853-9 | Fetal Kidney - left Thickeness US | OB.US |
| 11854-7 | Kidney - left Thickeness US | OB.US |
| 11855-4 | Fetal Kidney - right Thickeness US | OB.US |
| 11856-2 | Kidney - right Thickeness US | OB.US |
| 11857-0 | Ovary - left Thickeness US | OB.US |
| 11858-8 | Ovary - right Thickeness US | OB.US |
| 11859-6 | Uterus Thickeness US | OB.US |
| 1186-6 | little i Ab (qualitative) | BLDBK |
| 11860-4 | Fetal Cisterna magna Diameter.sagittal US | OB.US |
| 11861-2 | Fetal Cisterna magna Mean sagittal diameter Estimated from gestational age | OB.US |
| 11862-0 | Fetal Abdomen Diameter transverse US | OB.US |
| 11863-8 | Fetal Cerebellum Diameter transverse US | OB.US |
| 11864-6 | Fetal Thorax Diameter transverse US | OB.US |
| 11865-3 | Uterus Diameter transverse US | OB.US |
| 11866-1 | Fetal Cerebellum Mean transverse diameter Estimated from gestational age | OB.US |
| 11867-9 | Effacement Cervix (qualitative) | OBGYN |
| 11868-7 | Fetal body weight estimation formula Narrative Equation | OB.US |
| 11869-5 | Gestational age estimation formula Narrative Equation | OB.US |
| 1187-4 | little i NOS Ag on Red Blood Cells from Blood product unit (qualitative) | BLDBK |
| 11870-3 | Examination level ultrasound | OB.US |
| 11871-1 | Fetal Femur length/Abdominal circumference derived (us) | OB.US |
| 11872-9 | Fetal Femur length/Biparietal diameter derived (us) | OB.US |
| 11873-7 | Fetal Femur length/Head circumference derived (us) | OB.US |
| 11874-5 | Fetal position palpation | OB.US |
| 11875-2 | Fetal position US | OB.US |
| 11876-0 | Fetal presentation palpation | OB.US |
| 11877-8 | Fetal presentation US | OB.US |
| 11878-6 | Number of fetuses (us) | OB.US |
| 11879-4 | Ovary - left Follicles US | OB.US |
| 1188-2 | little i NOS Ag on Red Blood Cells from Donor (qualitative) | BLDBK |
| 11880-2 | Ovary - right Follicles US | OB.US |
| 11881-0 | Uterus Fundal height Tape measure | OB.US |
| 11882-8 | Fetal Sex US | OB.US |
| 11883-6 | Fetal Narrative Sex US | OB.US |
| 11884-4 | Gestational age Estimated | OB.US |
| 11885-1 | Gestational age Estimated from last menstrual period | OB.US |
| 11886-9 | Gestational age Estimated from ovulation date | OB.US |
| 11887-7 | Gestational age Estimated from selected delivery date | OB.US |
| 11888-5 | Gestational age US composite estimate | OB.US |