Catecholamines, Urine CATU

Synonyms

Allscripts (AEHR) Order Name

Catecholamines, Urine 24 Hour Quant

Sunrise Clinical Manager (SCM) Order Name

Catecholamines, Urine 24 Hour Quant

EPIC Order Name

24 Hour Urine, Catecholamines, Fractionated, Urinary Free

Clinical Info

Specimen Type

Urine

Container

24hr Ur 30mL 6N HCl

Collection Instructions

Container/Tube: 24 hr urine container with 30 mL 6N HCL preservative
Specimen: 30 mL aliquot (4 mL minimum) urine
Transport Temperature: Refrigerated
Collection :
1.  Instruct patient to void at 8AM and discard the specimen.
2. Preservative must be added to container prior to the start of collection.
3. Than collect all urine including the final specimen voided at the end of the 24-collection period(i.e.. 8AM the next morning).
4. Keep collection refrigerated during collection.
Note: If original container is received with pH >3, but <5, adjust pH to <3 with 6N HCl.

Transport Instructions

Refrigerated

Specimen Stability

3 Days Room Temperature
14 Days Refrigerated
30 Days Frozen

Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Days Performed

TAT; 5-8 Days

Performing Laboratory

LabCorp of America

CPT

82384

PDM

5900435

Result Interpretation

Epinephrine:
0-9 years:0-11 µg/24hours
10 - 19 years: 0-18 µg/24 hours
>19 years:  0-20 µg/24 hrs
 
Norepinephrine:
0-9 years: 0-59 µg/24 hours
10-19 years: 9-90 µg/24 hours
>19 years: 0-135 µg.24 hours
 
Dopamines;
0-9 years: 0-414 µg/24 hours
10-19 years:  0-575 µg/24 hours
> 19 years: 0-510 µg/24 hours 

Forms