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Insulin
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
INS
CPT Codes
83525
Includes
561;
Fasting Insulin;
Fasting Insulin Level;
Insulin level;
Insulin single
Fasting Insulin;
Fasting Insulin Level;
Insulin level;
Insulin single
Preferred Specimen
SST/GST Serum Only
Minimum Volume
1 mL
Other Acceptable Specimens
Plasma from Lithium Heparin (Light Green Top) tube
Instructions
Barrier tubes (serum separator tubes or plasma separator tubes) are preferred.
Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.
Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.
Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.
Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.
Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Room Temperature or Refrigerated
Specimen Stability
Room temperature = 4 hours
Refrigerated = 2 days
Frozen = 6 months
Refrigerated = 2 days
Frozen = 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Methodology
Immunoassay (IA)
Setup Schedule
24/7
AU
AU
Report Available
daily
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
