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Test Name:

INSULIN, FASTING

Test Code:

2129488

Alias:

LAB828

CPT Code(s):

83525

Preferred Specimen:

1.0 mL serum

Container:

SST (gold)

Alternate Container:

EDTA (lavender)

Minimum Volume:

0.3 mL serum or plasma
This volume may not allow for repeat testing.

Collection Instructions:

Patient should fast for 12 hours prior to collection.

Allow specimen to completely clot (this can take up to 60 minutes). Centrifuge for 15 minutes as soon as the specimen is clotted. If the specimen is collected in an anticoagulant tube, centrifuge and transfer the plasma into a properly labeled transfer tube. Specify specimen type (plasma) on transfer tube.

Transport Temperature:

Refrigerated

Stability:

Refrigerated: 24 hours

Frozen: 6 months

Rejection Criteria:

Hemolysis

Limitations:

In patients receiving therapy with high biotin doses (i.e. > 5 mg/day), no sample should be taken until at least 8 hours after the last biotin administration.

Schedule:

Set up: Daily; Results in 24-48 hours

Method:

Paramagnetic-particle, chemiluminescent immunoassay

Clinical Significance:

Insulin levels are useful in the diagnosis and management of diabetes and insulin-secreting tumors.

Use:

Updated: 02/22/22

Reference Range Table

Result	Units	Gender	Age	Range
Insulin	µIU/mL	Both	0 Year - 999 Year	1.9-23.0

Health Lab Test Code Build Information

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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.

Reference Range Table

Health Lab Test Code Build Information

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