Update Type: Replacement Test
Test Updated: 05/12/2021
Test Overview
Test Methodology

RIA

Reference Range *

10 - 135 pg/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

9 - 15 days

Soft Order Code
FPAN2
MiChart Code
FPAN2
Laboratory
Sendout
Reference Laboratory
Mayo FPAN2 (Interscience)
Section
Special Testing
Specimen Requirements
Collection Instructions

Patient should not be on any medications that affect insulin levels, if possible for 48 hrs prior to collection. Patient should be fasting 10 hours before collection. Patient may drink plain water, no other liquid is acceptable.
Collect specimen in a pre-chilled Z tube. Spin immediately and aliquot plasma into a screw capped tube. Send to Specimen Processing frozen.

Special Handling

Patient should not be on any medications that affect insulin levels, if possible for 48 hrs prior to collection. Patient should be fasting 10 hours before collection. Patient may drink plain water, no other liquid is acceptable.

Fasting Specimen
Patient should not be on any medications that affect insulin levels, if possible for 48 hrs prior to collection. Patient should be fasting 10 hours before collection. Patient may drink plain water, no other liquid is acceptable.
Normal Volume
3 mL plasma
Minimum Volume
1 mL plasma
Storage Temperature
STRICT FROZEN
Rejection Criteria
Specimen not frozen
Additional Information

Test sent to Mayo Clinic Laboratories; performed by Interscience Institute.

Billing
CPT Code
83519
Fee Code
AA939
LOINC
49013-6