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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Metformin, Serum/Plasma
Test Code11026
CPT Codes
80299
Preferred Specimen
1 mL plasma collected in an EDTA (lavender-top), or EDTA (pink-top) tube
Minimum Volume
0.3 mL
Other Acceptable Specimens
Serum collected in a red-top tube (no gel)
Instructions
Promptly centrifuge and separate serum or plasma into a plastic screw-capped (preservative-free) vial using approved guidelines.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 1 month
Refrigerated: 1 month
Frozen: 24 months
Refrigerated: 1 month
Frozen: 24 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Polymer gel separation tube (Serum separator tube or PST)
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (HPLC-MS/MS)
FDA Status
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.
Setup Schedule
Set up: As needed; Report available: 8 days
Reference Range
See Laboratory Report
Clinical Significance
Therapeutic Drug Monitoring