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HelpTest Code LAB527 Insulin Level
Additional Codes
LAB828: Insulin, Fasting
Clinical System Name
Insulin
Synonyms
Insulin
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Red, Gold Microtainer, Dark Green/Sodium Heparin, Lavender/EDTA, Lavender/EDTA Microtainer
Preferred Vol: 2.0 mL
Minimum Vol: 0.5 mL
Note: Patients with a history of insulin usage may have insulin antibodies causing inaccurate results.
Processing Instructions
Reject due to: any hemolysis, lipemia
Aliquot: Y
Spin: Y
Temp: -20 C
Storage location: CPA freezer, Fz5 rack
Off-site collection: Spin blood. Transfer serum to aliquot container. Freeze.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| serum/plasma on gel separator | Room temp | |
| separated serum/plasma | Room temp | |
| Refrigerated | ||
| Frozen | 7 d |
Note:Up to a 10% decrease in insulin is seen in the first 2 hrs when centrifuged and left on serum separator. Stable after that up to 8 hrs on SST at room temp.
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, F | 2-4 d |
Contact Chemistry Lab for request outside of stated availability. (206) 987-2565
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem East
Phone Number: (206) 987-2617
Methodology
Method: Chemiluminescence microparticle immunoassay (CMIA) by Abbott Alinity i
Analytical Volume: 0.15 mL serum/plasma
Limitations: Hemolysis affects results
Reference Range
| mcIU/mL | |
|---|---|
| Random | < 49.7 |
CPT Code
83525