Preferred test when determining if hypoglycemia is from exposure to metformin. Serum or plasma is the preferred specimen for correlating drug use with hypoglycemia.
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Plain Red, Lavender (K2EDTA), or Pink (K2EDTA).
Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Refrigerated. Also acceptable: Room temperature or frozen.
Ambient: 1 month; Refrigerated: 1 month; Frozen: 2 years
No compliance statements are in use for this test.
80375 (Alt code: G0480)
|Component Test Code*||Component Chart Name||LOINC|
|0092391||Metformin Quantitative, Serum or Plasma||35698-0|
National Medical Services (NMS)