91163      Metanephrines, Urine Fractionated
Specimen:
  Collect: Timed Urine

Also Acceptable
Random Urine  
  Submit: 5 mL (Min:1.5 mL) Aliquot(s) Timed Urine in Sterile Specimen Container. Submit Refrigerated.

Also Acceptable
5 mL (Min:1.5 mL) Random Urine in Sterile Specimen Container. Submit Incubated.  
  Special Handling: 24 HR Urine Collection Preferred
Keep Specimen Refrigerated During Collection
State Collection Time
State Volume
For a list of medications which may physiologically interfere with metanephrines contact Client Services at 800-700-6891. 
  Stability: Ambient: 1 Day(s); Refrigerated: 2 Week(s); Frozen: 2 Month(s); Incubated: Unacceptable 
Methodology: Gas Chromatography/Mass Spectrometry (GCMS) 
Performed: Sun-Sat 
Reported: 2-3 Day(s) 
CPT Codes:
81050 - Volume Measurement 83835 - Metanephrines
Interpretive Data: Please see report for interpretive data.
Components:
93008 - CREAT, UR 93009 - CREAT, UR
93196 - NORMETANEPHRINE 93197 - METANEPHRINE
93608 - METANEPHRINE93198 - INTERPRETATION
93388 - URINE VOLUME93518 - TIME