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
Negative Mailout: 7-10 days
ARUP
Urea Nitrogen {BUN}
Adult, Serum  (BUN)
  
Adult, Urine (UREA)
Neonate  (BUNP)
Chem /
Peds Lab
See BUN   24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

Peds Lab: 30 min
Uric Acid
(URIC)
Chem 5 ml blood, 1 Light Green   M: 3.5 - 7.0 mg/dL
F: 2.5 - 6.0 mg/dL
 
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Uric Acid, Urine
(UURC)
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)
(UA)
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 See final report for reference intervals Mailout: 5-7 days
ARUP
Urine Immunofixation electrophoresis Imm See Immunofixation Electrophoresis    
Urine Oxalate, Total
(UOX)
Ref 24 hr urine, Type III container  M: 7-44 mg/24 hrs
F: 4-31 mg/24 hrs
Mailout: 5-7 days
ARUP
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 µg/mL
Critical Value:  >125 µg/mL
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Valproic Acid, Free Ref 5 ml blood, 1 Gold Top   6 - 22 ug/mL Mailout: 5-7 days
ARUP
Vancomycin
Peak (VANP)
Trough (VANT)
Random (VANR)
Chem 5 ml blood, 1 Light Green 

See TDM Guidelines

Trough: 5 - 10 µg/mL
Peak: 20 - 40 µg/mL
Critical Value >40 µg/mL 
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Vanillylmandelic Acid {VMA}
(UVMA)
Ref Random or 24 hr urine 0.0-7.0 mg/dL Mailout: 5-7 days
ARUP
Varicella Zoster Antibody, IgG
(VZ
IG)
Ref 6 ml blood, 1 RT Interpretive report Mailout: 5-7 days
ARUP
Varicella Zoster Antibody, IgM
(VZIM)
Ref 6 ml blood, 1 Gold Top  
Mark sample as "acute" or "convalescent"
Interpretive report Mailout: 5-7 days
ARUP
Varicella Zoster Antibodies, IgG & IgM
(VZPAN)
Ref 6 ml blood, 1 Gold Top  
Mark sample as "acute" or "convalsecent"
Interpretive report Mailout: 5-7 days
ARUP

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
  
0-60 pg/mL Mailout: 5-7 days
ARUP
VDRL, CSF
(SFVDL)
Ref 1 ml CSF Nonreactive
Mailout: 1-4 days
ARUP
Vibrio Culture
(ITCLT)
Micro See Culture, Stool
 
   
Vitamin A
(V-A)
Ref 6 ml blood, 1 Gold Top or 1 GRN Protect from light.   Interpretive report Mailout: 5-7 days
ARUP
Vitamin B1, Plasma
(V-B1)
Ref 10 ml blood, 2 GRN or 2 lavendar top.
Critical Frozen
0.2-2.0 µg/dL Mailout: 7-10 days
ARUP
Vitamin B1, Whole Blood
 
Ref 10 ml blood, 1 GRN or 2 lavendar top
Critical Frozen
1.6-4.0 µg/dL Mailout: 7-10 days
ARUP
Vitamin B2 [Riboflavin] Ref 10 ml blood, 1 GRN or 1 lavendar top.
DO NOT FREEZE
By Report Mailout: 7-10 days
ARUP
Vitamin B6 [Pyrodoxine] Ref 5 ml blood, 1 LT on ice.
Protect from light.  Freeze plasma.
5.0 - 30.0 ng/mL Mailout: 7-10 days
ARUP
Vitamin B12
(B12)  
Chem See B12    
Vitamin C [Ascorbate] Ref 10 ml blood, 2 GRN
Requires special transport tube.  FREEZE PLASMA  
0.4 - 2.0 mg/dL Mailout: 5-7 days
ARUP
Vitamin D, 25-Hydroxy
(VIT-D)
Ref 5 ml blood, 1 Gold Top or 1 LT lavendar top.
Freeze serum
 
15 - 57 ng/mL Mailout: 5-7 days
ARUP
Vitamin D, 1,25-Dihydroxy
(VD125)
 
Ref 5 ml blood, 1 Gold Top or 1 LT 15 - 75 pg/mL Mailout: 5-7 days
ARUP
Vitamin E
(VIT-E)
Ref 5 ml blood, 1 RT or Gold Top. Protect from light Age specific
Interpretive report
Mailout: 5-7 days
ARUP
Vitamin K
 
Ref 1 RT, Gold Top or LT
Protect from light.
Separate plasma and freeze.
Interpretive report Mailout: 5-7 days
ARUP
Vivacil Ref  See Protriptyline
 
   
Vanillylmandelic Acid {VMA}
(UVMA)
Ref Random or 24 hr urine 0.0-7.0 mg/dL Mailout: 5-7 days
ARUP
von Willebrand Factor
Activity (VWRCO)
Antigen (VWAG)
Screen (VWSCR)
VA BLT
Contact CP Resident to schedule (501-688-2820). See VA on-line manual for more  information  
vW Activity: >50%
vW Antigen: 60-150%
Mailout: 3-5 days

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