Center
Item
Center
text
C1301943 (UMLS CUI [1,1])
C0600091 (UMLS CUI [1,2])
Date of Visit
Item
Date of Visit
date
C1320303 (UMLS CUI [1])
Subject Identifier
Item
Subject Number
integer
C2348585 (UMLS CUI [1])
blood sample
Item
Has a blood sample been taken?
boolean
C0005834 (UMLS CUI [1])