Insulin Level
| Abbrev Code: | INS | ||
| Order Code: | LAB4189 | Order Name: | Insulin Level |
| Methodology: | Roche: Electrochemiluminescence immunoassay (ECLIA) | ||
| CPT Codes: | 83525 x1, 83525 x1 | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Green (lithium heparin, gel) Alternate Containers: Green (lithium heparin, no gel), Green (lithium heparin, gel) on ICE, Red (no gel), Red or gold (gel) |
| Causes for Rejection: | Hemolysis; patients receiving therapy with high biotin doses (i.e. >5 mg/day) until at least 8 hours following the last biotin administration. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Roche: 4 hours at room temperature; 2 days refrigerated; 6 months frozen.
Vista: 8 hours at room temperature; 24 hours refrigerated; 3 months frozen. |
| Test Performed at or Referral Lab | Chemistry (Roche-UMMC East) |
Interpretive
| Reference Range: | 2.6-24.9 μU/mL |
| Use: | Differentiating Type 1 and Type 2 diabetes mellitus. |
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