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HelpTest Code INSAL Insulin Analogs, Serum
Specimen Required
Patient Preparation:
Fasting: 8 hours, required for human insulin reference values to apply
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red Top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL Serum
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial
Additional Information: Human insulin reference values are not applicable to patients who were not fasting for 8 hours or received pharmaceutical/synthetic insulin analogs.
Specimen Type
Serum RedSpecimen Minimum Volume
Serum: 0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Frozen | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
Human insulin: 2.6-24.9 mcIU/mL
Reference values only apply to fasting patients not being administered pharmaceutical/synthetic insulins.
Therapeutic reference intervals for synthetic insulin analogs have not been established.
Report Available
10 daysSpecimen Retention Time
2 weeksPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
G0480
80375 (if appropriate for select payers)