W and X

Collection Tube Abbreviations

  RT  =  Plain Red top   GYT  =  Gray top   RBL  =  Royal Blue top
  RHalo = Red Halo   YT  =  Yellow top   PT  =  Pink top
  BLT  =  Blue top   GRN  =  Green top   PPT  =  Pearl top
  LT  =  Lavender top   SGRN  =  Special Green   GHalo = Green Halo
Test
(TEST CODE)		 Lab
Section		 Special
Requirements		 Reference Ranges and Critical Values Testing Schedule and Expected
Turnaround
Time
Western Equine Encephalitis Antibody Ref 6 ml blood, 1 Gold Top  
Mark sample as "acute" or "convalescent"		 ARUP Test Directory Mailout: 5-7 days
Westergren Sed Rate
 (WESR)		 Heme
 		 3.0 ml blood, 1 LT Males      <50 yr:  0-15
              >50 yr:  0-20
Females   <50 yr:  0-20
              >50 yr:  0-30
 		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
West Nile Virus
 (WNILE)		 ASHD      
West Nile Virus, IgG
 		 Ref 5 ml blood, 1 Gold Top  
Label sample as "acute" or "convalescent"		 ARUP Test Directory Mailout: 5-7 days
West Nile Virus, IgM
 		 Ref 5 ml blood, 1 Gold Top  
Label sample as "acute" or "convalescent"		 ARUP Test Directory Mailout: 5-7 days
Xylose Absorption
[D-Xylose]
 (DXYLO)		 Ref Refer to ARUP manual for specific specific instructions ARUP Test Directory Mailout: 5-7 days

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