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METANEPHRINES, FRACT, FREE, LC/MS/MS, PLASMA

Test Name  METANEPHRINES, FRACT, FREE, LC/MS/MS, PLASMA 
Mnemonic  METANE  
Lab Order Code   
CPT   83835 
Department  Send-Out 
Container  PLASTIC SCREW-CAP VIAL 
Alternative Container   
Handling  PATIENT PREPARATION: PATIENTS SHOULD BE RELAXED IN EITHER A SUPINE OR UPRIGHT POSITION BEFORE BLOOD IS DRAWN. PATIENT SHOULD AVOID ALCOHOL, COFFEE, TEA, TOBACCO AND STRENUOUS EXERCISE PRIOR TO COLLECTION. OVERNIGHT FASTING IS PREFERRED. 2.5 ML PLASMA COLLECTED IN AN EDTA (LAVENDER-TOP) TUBE. INSTRUCTIONS: DRAW SPECIMEN IN A PRE-CHILLED EDTA LAVENDER-TOP VACUTAINER (TM). THE WHOLE BLOOD SAMPLE SHOULD BE KEPT ON WET ICE UNTIL CENTRIFUGED (PREFERABLY AT 4 DEGREES C) TO SEPARATE THE PLASMA WITHIN 2 HOURS OF VENIPUNCTURE. AFTER CENTRIFUGATION, THE PLASMA SHOULD BE TRANSFERRED TO A PLASTIC, LEAK-PROOF VAIL AND IMMEDIATELY REFRIGERATED., 1.5 ML, REFRIGERATED (COLD PACKS)Refrigerated: 14 days, Frozen: 14 days  
Preferred Volume   
Minimum Volume   
Stability   
Reject Criteria   
Component  METANEPHRINE FREE, NORMETANEPHRINE FREE 
Methodology  LIQUID CHROMATOGRAPHY TANDEM MASS SPECTROMETRY (LC/MS/MS) 
Units   
Reference Range    
Neonate Reference Range   
Required Information   
Performed   
Reported    
Note  Set-Up: MONDAY-FRIDAY 
LOINC    
Cross References   
Referred Lab  Quest 
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