Specimen

Urine More information

Collection Medium:

Minimum:

24 hr collection; with 25 ml 6N HCl as preservative (preferred) or 
random urine.  For peds, contact Pharmacy for correct amount of 
concentrated HCl.

Analytic Time:

1 week

Reference Range:

                   Range        Mean          Range           Mean
                   (ug/g        (ug/g     (ug/24 hours)   (ug/24 hours)
                creatinine)  creatinine)
Norepinephrine
  Infants:
  < 1 Year:       37 - 195       105     Not determined Not determined

  Children:
  1-10 years:     24 - 140        50     Not determined Not determined

  Older children
  and adults:     12 - 110        36       16 - 125           45

Epinephrine
  Infants:
  < 1 Year:        2 - 180       116     Not determined Not determined

  Children:
  1-10 years:     20 - 149        80     Not determined Not determined

  Older children
  and adults:      9 -  25        19         3 - 38           16

Pediatric values were determined on both random and 8 hour urine 
collections.

Comments:

VMA, Catecholamines and Metanephrines may be done on same collection.  
Alpha methylodopa (Aldomet) and Labetalol (Normodyne) will falsely 
elevate the apparent concentration of urine catecholamines. Collection 
containers available from pharmacy.

Includes: Epidenphrine and Norepinephrine

If screening for Neuroblastoma, the following tests need to be ordered: 
CATNBSU (Catecholamines, Fractionated), DOPNBSU (Dopamine), HVANBSU 
(Homovanillic Acid), METNBSU (Metanephrines), VMANBSU (Vanillylmandelic 
Acid).

Methodology:

HPLC electrochemical detector, colormetric

CPT Code:

82384 Fractionated Catecholamines; 82570 Creatinine, Urine

See also:
Dopamine, Urine
Homovanillic Acid (HVA), Urine
Metanephrines, Urine
Neuroblastoma Screen, Urine
Vanillylmandelic Acid (VMA), Urine

See Additional Information:
Urine Tests Requiring Preservatives, Refrigeration or Special Containers