| parent | Diameter | LP28662-2 |
| child | Cervical canal external os Diameter palpation | 11784-6 |
| child | Cervical canal external os Diameter US | 11785-3 |
| STATUS | NotStated |
| PartDisplayName | en-US | Diameter | Cervical canal external os | OB ultrasound |
LOINC Version: 2.81