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Test Code:
METAU24HR

Order Name:
Metanephrine (U-24 hrs)

 
Useful For:
Metanephrine is intended as a monitoring test for patient with suspected catecholamine-secreating tumor and reduce the risk of false positive of epinephrne result.
 
Methodology:
High Performance Liquid Chromatography (HPLC)
 
 
 
Test Code:
METAU24HR

Order Name:
Metanephrine (U-24 hrs)

 
Patient Preparation:
Starve from eating food with capsiacin which found in chilli peppers eg.curry powder
 
Collection Specimen Or Container:
24-hours urine/ Clean container with preservative (25% HCl - 10 mL)
* 24-hours volume is required.
 
Specimen Testing Type:
Preserved 24- hour Urine in 25% HCl minimum volume 10 ml.
 
Sub Mission Container:
15 mL Screw cap tube
 
Rejection Criteria:
 No preservative urine will be rejected.
 
Specimen Stabillity:
 
Specimen Type Temperature Time
24-hours urine Refrigerated, 2oC to 8oC 5 days
Frozen, -18 oC longer storage
 
 
 
Test Code:
METAU24HR

Order Name:
Metanephrine (U-24 hrs)

 
Method detail:
High Performance Liquid Chromatography (HPLC)
 
Schedule:
Every Wednesday
 
Turnaround Time:
Received specimen to reported within 7 days.
 
Performing Location:
Special Lab, Laboratory Department 14141
 
Specimen Retention Time:
7 days
 
 
 
Test Code:
METAU24HR

Order Name:
Metanephrine (U-24 hrs)

 
 
Clinical Information:
Metanephrine is a major metabolite of epinephrine
 
Reference Value:
< 320 microgram/24 h
 
Interpretation:
Increasing of Metanephrine should be found in patient with positvely high epinehrine results.
 
Clinical Reference:
Instruction manual for HPLC analysis of Metanephrines in Urine