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Test ID F2ISO F2-Isoprostanes, Urine

Useful For

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

Method Name

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

AACT: Enzymatic Colorimetric Assay

Reporting Name

F2-Isoprostanes, U

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
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.

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

82542

LOINC Code Information

Test ID Test Order Name Order LOINC Value
F2ISO F2-Isoprostanes, U In Process

 

Result ID Test Result Name Result LOINC Value
88677 15-F2t-Isoprostane, U In Process

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.

Testing Algorithm

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

Additional Tests

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

Forms

If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/cardiovascular-request-form.pdf).