ARUP's Laboratory Test Directory
| 0070063: Insulin, Fasting |
| Test Mnemonic: INSULIN FT | |
|
Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat Reported: Within 24 hours |
| Specimen Required: | |
|
Collect: One 4 mL SST. 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.
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| CPT Code(s): | |
| 83525 |