U and V

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
Ureaplasma Ref Urine, swab, or biopsy.
Check ARUP for specimen handling requirements
ARUP Test Directory Mailout: 7-10 days
Urea Nitrogen {BUN}
Adult, Serum  (BUN)
  
Adult, Urine (UREA)
Neonate  (BUNP)
Chem See BUN    
Uric Acid
(URIC)
Chem 5 ml blood, 1 Light Green   M: 4.4 - 7.6 mg/dL
F: 2.3 - 6.6 mg/dL
 
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Uric Acid, Urine
(UURC) or (TUURC)
Chem Random or timed urine, 24 hr urine, in Type 1 container Random: Varies with diet.
Timed: 0.25-0.75 g/24 hr
24 hrs/ 7 days
Results: 2-4 hrs
STAT: 1 hr
Urinalysis (general & microscopic exam)
(UAMIC)
Urinalysis 8 ml fresh urine, 
<1 hr old
*Criteria for Microscopic
Evaluation:  
Blood-Positive,
Protein- 1+ to 4+,
Nitrite-Positive,
Leukocyte esterase - Pos

 

Microscopic exams are  performed upon specific physician request.

GENERAL:
Color:  yellow
Appearance:  clear
pH:   5.0-8.0
Specific grav: 1.003 -1.030
Protein: Negative
Glucose: Negative
Ketone: Negative
Bilirubin: Negative
Hemoglobin: Negative
Leukocyte esterase: Neg
Nitrate: Negative
Urobilinogen: Normal
Pediatric Samples: ALL peds urines are tested with a reducing substance screen if glucose is negative on dipstick.

NORMAL MICROSCOPIC:
WBC: 0-2/HPF
RBC: 0-2/HPF
Casts: Occ hyaline cast/LPF
Bacteria: rare on clean catch,
negative on catheter.
Critical Value:
Positive glucose or ketone in neonates/child
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr


Urine Culture
(URCLT)
Micro

BD Urine C & S preservative (grey top with yellow label) container.

Disinfect top of tube with alcohol before injecting urine. 
Negative Daily
Result: 48-72 hrs
Urine Free Cortisol Ref 24 hr urine, refrigerated ARUP Test Directory Mailout: 5-7 days
Urine Immunofixation electrophoresis Imm See Immunofixation Electrophoresis    
Urine Oxalate, Total
(Order as Ref)
Ref 24 hr urine, Type III container 

Mayo Laboratories

Mailout: 5-7 days
Urine Pregnancy Test
(UPREG)
Heme 8 mL fresh urine
See Beta-hCG, quantitative urine.
Normal = negative 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Urine Protein Electrophoresis (UPEP) Imm See Electrophoresis, Urine    
Urine Toxicology Screen, qualitative Ref 50 ml random urine
See Clinical Toxicology.
Negative; interpretive  report. Mailout 5-7 days
Uroporphyrin Ref See Porphyrins, Urine Fractionation    
Valium Ref See Benzodiazipine
 
   
Valproic Acid (Depakene) 
(VALP)
Chem 5 ml blood, 1 Light Green 

See TDM Guidelines

50 - 100 g/mL
Critical Value:  >125 g/mL
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Valproic Acid, Free Ref 5 ml blood, 1 plain red no additive   ARUP Test Directory Mailout: 5-7 days
Vancomycin
Peak (VANP)
Trough (VANT)
Random (VANR)
Chem 5 ml blood, 1 Light Green 

See TDM Guidelines

Trough: 10 - 20 g/mL
Peak: 20.1 - 40 g/mL
Critical Value >40 g/mL 
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Vanillylmandelic Acid {VMA}
(UVMA)
Ref Random or 24 hr urine ARUP Test Directory Mailout: 5-7 days
Varicella Zoster Antibody, IgG
(VZ
IG)
Ref 6 ml blood, 1 RT ARUP Test Directory Mailout: 5-7 days
Varicella Zoster Antibody, IgM
(VZIM)
Ref 6 ml blood, 1 Gold Top  
Mark sample as "acute" or "convalescent"
ARUP Test Directory Mailout: 5-7 days
Varicella Zoster Antibodies, IgG & IgM
(VZPAN)
Ref 6 ml blood, 1 Gold Top  
Mark sample as "acute" or "convalsecent"
ARUP Test Directory Mailout: 5-7 days

Varicella Zoster-DFA

(VZV)

 

Ref Specimen collection kit
(Obtained from Reference
Send Out)
  • Specimen must be in Reference Lab before 2 pm.
Negative

Physician will be called with Positive results.

Daily:  7 am-3 pm

Results:  Same day if received before 2 pm

Vasoactive Intestinal Peptide Ref 4 ml blood, EDTA
Refer to ARUP for specific requirements.
Critical Frozen
  
ARUP Test Directory Mailout: 5-7 days
VDRL, CSF
(SFVD)
Ref 1 ml CSF ARUP Test Directory
Mailout: 1-4 days
Vibrio Culture
(ITCLT)
Micro See Culture, Stool
 
   
Vitamin A
(V-A)
Ref 6 ml blood, 1 Gold Top or 1 GRN Protect from light.   ARUP Test Directory Mailout: 5-7 days
Vitamin B1, Plasma
(V-B1)
Ref 10 ml blood, 2 GRN or 2 lavender top.
Critical Frozen, Protect from light
ARUP Test Directory Mailout: 7-10 days
Vitamin B1, Whole Blood
 
Ref 10 ml blood, 1 GRN or 2 lavender top
Critical Frozen, protect from light
ARUP Test Directory Mailout: 7-10 days
Vitamin B2 [Riboflavin] Ref 10 ml blood, 1 GRN or 1 lavender top.
DO NOT FREEZE, Protect from light
ARUP Test Directory Mailout: 7-10 days
Vitamin B6 [Pyrodoxine] Ref

5 ml blood, requires 6 ml green (sodium or lithium heparin) or plasma separator tube. Serum (plain red) is also acceptable

On ice. Protect from light. Freeze plasma.

ARUP Test Directory Mailout: 7-10 days
Vitamin B12
(B12)  
Chem See B12    
Vitamin C [Ascorbate] Ref 10 ml blood, 2 GRN
Requires special transport tube.  FREEZE PLASMA, protect from light 
ARUP Test Directory Mailout: 5-7 days
Vitamin D, 25-Hydroxy
(VITD2)
Chem 5 ml blood, light green top (lithium heparin)
Freeze serum, protect from light
  
  24 hrs/ 7days
Vitamin D, 1,25-Dihydroxy
(VD125)
 
Ref 5 ml blood, 1 Gold Top or 1 LT, protect from light ARUP Test Directory Mailout: 5-7 days
Vitamin E
(VIT-E)
Ref 5 ml blood, 1 RT or Gold Top. Protect from light ARUP Test Directory Mailout: 5-7 days
Vitamin K
 
Ref 1 RT, Gold Top or LT
Protect from light.
Separate plasma and freeze.
ARUP Test Directory Mailout: 5-7 days
Vivacil Ref  See Protriptyline
 
   
Vanillylmandelic Acid {VMA}
(UVMA)
Ref Random or 24 hr urine ARUP Test Directory Mailout: 5-7 days
von Willebrand Factor
Ref 2 Blue Top on ice   ARUP Test Directory Mailout: 1-3 days

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Updated: 09.28.2012