Update Type: Test Code Change
Test Updated: 11/20/2024
Test Overview
Test Methodology

Direct Immunoassay (RIA)

Reference Range *

No reference intervals are available for this test

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

Test Limitations

Patient should not be on aspirin, indomethacin, or anti-inflammatory medications, if possible, for at least 48 hours prior to collection of specimen.

Test Details
Days Set Up
Upon receipt
Analytic Time

12 - 16 days

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

Collect urine in a sterile container. Freeze, or aliquot and freeze within 30 minutes of collection.

Normal Volume
10 mL urine
Minimum Volume
5 mL urine
Storage Temperature
STRICT FROZEN
Rejection Criteria
24 hr urine is not acceptable
Additional Information

Test sent to Mayo Clinic Laboratories, performed by Interscience Institute

Billing
CPT Code
84150
Fee Code
AA599