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Test ID FMETN Metformin, Plasma


Specimen Required


***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***

 

Specimen Type: Plasma

Collection Container/Tube: Lavender top or pink top (EDTA) (Plasma gel tubes are not acceptable)

Submission Container/Tube: Plastic vial

Specimen volume: 1 mL

Collection instructions:

1. Draw blood in an EDTA (lavender top or pink top) tube.

2. Centrifuge and aliquot 1 mL of plasma into a preservative-free plastic vial.

3. Send refrigerated (preferred)

Specimen Stability Information: Refrigerated (preferred) 30 days/Ambient 30 days/Frozen 2 years

 


Method Name

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name

Metformin, Plasma

Specimen Type

Plasma EDTA

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Refrigerated (preferred) 30 days
  Ambient  30 days
  Frozen 

Reference Values

Reporting limit determined each analysis.

 

Units: mcg/mL

 

Therapeutic range: Approximately 1-2 mcg/mL.

Metformin associated lactic acidosis generally has been associated with Metformin plasma concentrations exceeding 5 mcg/mL.

Day(s) Performed

Monday through Sunday

Report Available

6 to 12 days

Performing Laboratory

NMS Labs

CPT Code Information

80299

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FMETN Metformin, Plasma 35698-0

 

Result ID Test Result Name Result LOINC Value
Z3525 Metformin 35698-0

Test Classification

This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.