Non-Extensible
20030327
Table CID 3600. Relative Times
Coding Scheme Designator
Code Value
Code Meaning
SNOMED-CT Concept ID
UMLS Concept Unique ID
SRT
R-407E0
Before
272113006
C0740175
R-407E1
During
272114000
C0347985
R-42517
After
288563008
C0687676