ARUP's Laboratory Test Directory

Insulin, Random : 0070107

Mnemonic: INSULIN R

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).

Storage/Transport Temperature:  1 mL serum or plasma, frozen. (Min: 0.5 mL)  Submit specimen in an ARUP Standard Transport Tube.

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 potassium oxalate/sodium fluoride tubes.  Hemolyzed specimens.

Stability (collection to initiation of testing):  After separation from cells: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 1 month
Reference Interval:
Not established.
Interpretive Data: To convert to pmol/L, multiply µIU/mL by 6.0. The reference interval for a fasting insulin is 3-19 µlU/mL.

This assay reacts on a nearly equimolar basis with insulin aspart, insulin glargine, and insulin lispro.
CPT Code(s): 83525
 
 

 

 

 
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