Catecholamines, Fractionated, 24-Hour Urine with Creatinine QCF24U

Method(s) High Performance Liquid Chromatography (HPLC)
Synonym Adrenaline, Epinephrine, Noradrenaline, Catecholamines, Free, Dopamin, Norepinephrine
Components Creatinine, Norepinephrine, Epinephrine, Dopamine, and Total Catecholamines (calculated)
Specimen Required
Collect

24-hour urine collection.

Transport

10 mL aliquot from a 24-hour urine that has been preserved with 25 mL 6N HCl, collected in a plastic, 24-hour urine (Min: 5 mL).

* Collection Instructions *

  • Collect 24-hour urine with 25 mL of 6N HCl to maintain a pH equal to or greater than 3.
  • If no preservative is used, specimen must be stored refrigerated during collection but shipped frozen and pH must be equal to or greater than 6.
  • Record 24-hour urine volume and patient's age on test request form and urine container.
Remarks

Preserved urine: Room temperature

Unpreserved urine: Frozen

Stability

Preserved urine

Ambient: 7 days

Refrigerated: 30 days

Frozen: 49 days

Unpreserved urine

Ambient: Unacceptable

Refrigerated: Unacceptable

Frozen: 30 days

Unacceptable Conditions
  • Preserved urine received refrigerated with pH greater than 3
  • Unpreserved urine received frozen with pH greater than 6
Schedule Mon-Sat; Report available: 6-7 days
CPTCode 82384, 82570
Notes Performing Laboratory-Quest Diagnostics-Chantilly VA
Preferred Specimen Collection Device(s)
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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