2-6 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
83525-90 / 83527-90
Specimen Collection Details
Collection:
One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL lavender top tube (EDTA). Fasting specimen is preferred.
Handling:
Allow to clot, centrifuge and separate serum or plasma from cells. Pour into a plastic vial. Freeze.
Stability:
8 hours ambient, 7 days refrigerated, or 30 days frozen.
Standard Volume:
2 mL serum or plasma.
Minimum Volume:
1.1 mL serum or plasma.
Transport:
Frozen on dry ice.
Comments:
Reference intervals are established for fasting patients.
Rejection Criteria:
Hemolyzed or heparinized specimen; sodium fluoride/potassium oxalate plasma.
Reference Range: By report.
This assay reacts on a nearly equimolar basis with the analogs insulin aspart, insulin glargine, and insulin lispro. To convert to pmol/L, multiply µIU/mL by 6.0.