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Value Set and Code System Information
| Code System Name | LOINC |
| Value Set Code | PHVS_Identifier_type_NNDSS |
| Value Set Name | Identifier Type (NNDSS) |
| Value Set Version | 1 |
Value Set Concept Details
| Concept Code | 77997-5 |
| Preferred Concept Name | Legacy Case Identifier |
| Value Set Concept Status | Published |
| Value Set Concept Status Date | 08/22/2025 |
| Value Set Concept Description | |
| Sequence |
Code System Concept Details
| Code System Concept Name | Legacy case identifier [CDC.PHIN] |
| Code System Concept Status | Published |
| Code System Preferred Concept Name | Legacy case identifier [CDC.PHIN] |
| Date Created | 12/15/2017 |
| Date Revised | 08/12/2025 |