| Ordering Recommendation: |
Serum or plasma is the preferred specimen for correlating drug use with hypoglycemia. Order Metformin, Serum or Plasma (0092390).
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| Methodology: |
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
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| Performed: |
Varies
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| Reported: |
3-10 days
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| Specimen Required: |
Collect: Random urine.
Specimen Preparation: Transfer 1 mL urine to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Storage/Transport Temperature: Refrigerated.
Stability (collection to initiation of testing): Ambient: 1 month; Refrigerated: 1 month; Frozen: 1 month
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