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NORMETANEPHRINE, URINE

Synonym(s):

Lab Section Category

Description

Indications

Specimen Required

​24 hr urine in 15 mL 50% HCl
 
Minimum aliquot volume : 30 mL urine

Storage and Transport

Method

​High Performance Liquid Chromatography

Test Results

Reference Interval / Value

​3 – 8 yrs : 38 - 435 nmol/mmol creatinine

9 – 19 yrs : 29 - 360 nmol/mmol creatinine

≥ 20 yrs : 600 – 1900 nmol/day

Turnaround Time

​Mean = 7 days, Range: 3 – 11 days

Day(s) Test Set up

​Monday - Friday

Remarks

​Instructions before sampling:


Patient should abstain from the following at least 2 days prior to and during urine specimen collection:
- intake of food like chocolate, coffee, banana, food containing vanilla, citrus fruits and
- where medically possible, drugs such as aspirin, a-methyldopa ( Aldomat), buspirone, codeine, isoproterenol, mandelamine and metocloproamide. If the patient cannot be completely removed from a drug regimen, test result should be interpreted with appropriate judgement based on expected physiological response to these drugs.

Total 24-hour urine volume must be clearly indicated.

Change History Notes

Others

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