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Test Code MISC2MAYOF2ISO F2-Isoprostanes, Random, Urine

Reporting Name

F2-Isoprostanes, U

Useful For

The assessment of in vivo lipid peroxidation and considered to be an index of systemic oxidative stress over time 

Additional Tests

Test ID Reporting Name Available Separately Always Performed
AACT Creatinine, U No Yes

Testing Algorithm

When F2-Isoprostanes testing is performed, urine creatinine will always be performed at no additional charge.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Specimen Required


Patient Preparation: Patient should not have taken nonsteroidal anti-inflammatory drugs within 72 hours or aspirin within 2 weeks prior to collection of a specimen.

Container/Tube: Plastic, 5-mL urine tube (T465)

Specimen Volume: 5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 7 days
  Frozen  90 days
  Ambient  7 days

Reference Values

≥18 years: ≤1.0 ng/mg creatinine

<18 years: not established

Day(s) and Time(s) Performed

Wednesday; 11 a.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

82542

LOINC Code Information

Test ID Test Order Name Order LOINC Value
F2ISO F2-Isoprostanes, U 90783-2

 

Result ID Test Result Name Result LOINC Value
88677 15-F2t-Isoprostane, U 90783-2

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Method Name

F2ISO: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

AACT: Enzymatic Colorimetric Assay

Forms

If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.