Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| L6/S1 disc | Is a | Entire lumbar disc | false | Inferred relationship | Some | ||
| L6/S1 disc | Is a | Lumbosacral discs | false | Inferred relationship | Some | ||
| L6/S1 disc | Part of | Entire lumbar spine | false | Additional relationship | Some | ||
| L6/S1 disc | Part of | Entire intervertebral disc | false | Additional relationship | Some | ||
| L6/S1 disc | Is a | Entire intervertebral disc of sixth lumbar vertebra | false | Inferred relationship | Some | ||
| L6/S1 disc | Is a | Structure of lumbar intervertebral disc | true | Inferred relationship | Some | ||
| L6/S1 disc | Is a | Structure of lumbosacral joint | false | Inferred relationship | Some | ||
| L6/S1 disc | Is a | Structure of intervertebral symphysis between L6 and S1 (body structure) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire intervertebral symphysis between L6 and S1 | Is a | False | L6/S1 disc | Inferred relationship | Some | |
| Structure of nucleus pulposus of intervertebral disc of sixth lumbar vertebra (body structure) | Is a | True | L6/S1 disc | Inferred relationship | Some | |
| Structure of annulus fibrosus of intervertebral disc of sixth lumbar vertebra (body structure) | Is a | True | L6/S1 disc | Inferred relationship | Some | 
This concept is not in any reference sets