Update Type: Miscellaneous
Test Updated: 10/01/2025
Test Overview
Test Methodology

Quantitative Radioimmunoassay (RIA)

Reference Range *

By report

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

Test Details
Days Set Up
Varies
Analytic Time

4 - 7 days

Soft Order Code
SO
MiChart Code
Miscellaneous Sendout
Synonyms
    Laboratory
    Sendout
    Reference Laboratory
    ARUP #0098819 (Interscience Institute)
    Section
    Special Testing
    Specimen Requirements
    Collection Instructions

    Collect specimen in EDTA lavender tube. Spin and aliquot into a screw capped plastic tube within 2 hours of collection. Send to Specimen Processing frozen.

    Special Handling

    Specimen must be spun and frozen within 2 hours of collection

    Normal Volume

    3 mL plasma

    Minimum Volume

    1 mL plasma

    Storage Temperature
    STRICT FROZEN
    Rejection Criteria
    Specimen received refrigerated or ambient
    Additional Information

    Test sent to ARUP Laboratories; performed by Interscience Institute

    Billing
    CPT Code
    83519
    NY State Approved
    No