U and V

Collection Tube Abbreviations

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 (VZIG)	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

Clin Lab Home Page

                            For web page issues you may contact the Webmaster or by phone at 603-1691.