Y and Z

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
Requirement		 Reference Ranges and Critical Values Testing Schedule and Expected
Turnaround
Time
Yersinia Culture
(YRCLT)		   See Culture, Yersinia    
Zarontin (Ethosuximide) Ref 5 ml blood, 1 RT 40 - 100 µg/mL
Toxic: >150 µg/mL		 Mailout: 5-7 days
ARUP
Zinc Protoporphyrin, Whole Blood Ref One 7 ml dark blue top or one 5 ml lavendar top.
Protect from light		 0-69 µmol ZPP/mol heme Mailout: 5-7 days
ARUP
Zinc, Serum
(ZINCS)		 Ref One 7 ml dark blue top 0-16 yrs: 66-144 µgdL
>16 yrs male 75-291  µg/dL
>16 yrs female 65-256 µg/dL		 Mailout: 5-7 days
ARUP
Zinc, Urine Ref 24 hr urine, refrigerated in Type I container.  150-1200  µg/dL Mailout: 5-7 days
ARUP

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