Expansion from tx.fhir.org based on SNOMED CT International edition 01-Feb 2025
This value set contains 3 concepts
| Code | System | Display (en-US) |
| 24484000 | 2.16.840.1.113883.6.96 | Severe |
| 6736007 | 2.16.840.1.113883.6.96 | Midgrade |
| 255604002 | 2.16.840.1.113883.6.96 | Mild |