Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 30-Sep 2021. Module: SNOMED CT core
Descriptions:
Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
Lymph node level X (qualifier value) | Is a | Lymph node level value (qualifier value) | true | Inferred relationship | Existential restriction modifier (core metadata concept) |
Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
Lymph node level Xb | Is a | True | Lymph node level X (qualifier value) | Inferred relationship | Existential restriction modifier (core metadata concept) | |
Level Xa contains the retroauricular (also called mastoid) and subauricular nodes, which include the superficial lymph nodes lying on the mastoid process from the cranial edge of the external auditory canal cranially to the tip of the mastoid caudally. | Is a | True | Lymph node level X (qualifier value) | Inferred relationship | Existential restriction modifier (core metadata concept) |
This concept is not in any reference sets