National Path Lab

TRYPTOPHAN QUANTITATIVE, PLASMA (OS751)

Method

CHROMATOGRAPHY, MASS SPECTROMETRY

Turnaround Time

SAMPLE BY 7TH OF EVERY MONTH, REPORT AFTER 1 MONTH

Sample Type

2 ML (1 ML MIN.) PLASMA FROM 1 GREEN TOP (SODIUM HEPARIN) TUBE. SEPARATE PLASMA AND FREEZE WITHIN 2 HOURS OF COLLECTION. OVERNIGHT FASTING OR ATLEAST 4 HOURS FAST AFTER A MEAL IS MANDATORY. NON-FASTING PEDIATRIC SAMPLES ACCEPTABLE.COLLECT SAMPLE IN FIRST WEEK OF THE MONTH. SAMPLE SHOULD REACH NPL BY OR BEFORE 6TH OF THE SAME MONTH

How to Prepare

OVERNIGHT FASTING OR ATLEAST 4 HOURS FAST AFTER A MEAL IS MANDATORY. NON-FASTING PEDIATRIC SAMPLES ACCEPTABLE.COLLECT SAMPLE IN FIRST WEEK OF THE MONTH. SAMPLE SHOULD REACH NPL BY OR BEFORE 6TH OF THE SAME MONTH

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