Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Congenital absence of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some | |
| Congenital abnormal fusion of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some | |
| Congenital abnormal shape of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some | |
| Congenital fenestration of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some | |
| Congenital hypoplasia of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some | |
| Incomplete ossification of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some | |
| Lack of ossification of basioccipital bone | Is a | True | Congenital anomaly of basioccipital bone | Inferred relationship | Some |
This concept is not in any reference sets