Test Catalog

Test ID: FMETF    
Metformin,  Serum/Plasma

Specimen Type Describes the specimen type validated for testing

Varies

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Submit only one of the following specimens:


Serum

Draw blood in a plain, red-top tube(s). (Serum gel tube is not acceptable.) Spin down and send 1 mL of serum refrigerate in a plastic vial (preservative free).

 

Plasma

Draw blood in a lavender-top (EDTA) tube(s) or Pink top tube. (Plasma gel tube is not acceptable.) Spin down and send 1 mL of plasma refrigerate in a plastic vial (preservative free).

 

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.3 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

NA

Thawing

Warm OK; Cold OK

Lipemia

NA

Icterus

NA

Other

NA

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTime
VariesRefrigerated (preferred)30 days
 Frozen 365 days
 Ambient 30 days