INSULIN
Insulin, Serum
EPIC Test Procedure Code: LAB2250
Performing Lab:
Saint Luke's Regional Laboratories
Patient Preparation:
Fasting
Container Type:
4 or 10 mL red gel tube
Specimen Type:
Serum
Preferred Volume:
2 mL
Minimum Volume:
1 mL
Collection Procedure:
1. If multiple specimens are drawn, send a separate request form for each specimen.
2. Label specimens appropriately (corresponding draw times).
3. For SLH Plaza patients, spin and test within 8 hours. For all other sites, spin, place serum in transport tube and freeze.
Store and Transport:
Frozen
Stability:
Frozen - > 24 hours
Refrigerated - ≤ 24 hours
Room temperature - < 8 hours
Limitations:
Patients with a history of insulin usage may have insulin antibodies which cause an inaccurate assay result.
CPT Codes:
83525 - Insulin (EAP 30033020)
Test Schedule:
Monday through Friday
Method:
Chemiluminescent immunoassay
Reference Ranges:
3.0 - 25.0
mU/L