ARUP's Laboratory Test Directory

Insulin, Fasting : 0070063

Mnemonic: INSULIN FT

Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL serum separator tube. Also acceptable: lavender (EDTA) or pink (K2EDTA).

Transport:  1 mL serum or plasma, frozen.  (Min 0.4 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.3 mL serum or plasma, frozen.

Remarks:  Allow serum to clot completely at room temperature.  Separate serum or plasma from cells ASAP.

Unacceptable Conditions:  Heparinized plasma or I.V. fluid.  Specimens collected in gray (sodium fluoride/potassium oxalate).  Hemolyzed specimens.

Stability:  After separation from cells:  Ambient:  8 hours; Refrigerated: 1 week; Frozen: 1 month
Reference Interval:
3-19 µIU/mL
Interpretive Data: This assay reacts on a nearly equimolar basis with insulin aspart, insulin glargine, and insulin lispro.  To convert to pmol/L, multiply µIU/mL by 6.0.
CPT Code(s): 83525
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org