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HelpCatalog ID F2ISO F2-Isoprostanes, Random, Urine
Reporting Name
F2-Isoprostanes, UUseful For
Assessment of in vivo lipid peroxidation
Considered to be an index of systemic oxidative stress over time
Additional Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| CRETR | Creatinine, Random, U | No | Yes |
Testing Algorithm
When F2-isoprostanes testing is performed, urine creatinine will always be performed at an additional charge.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
UrineSpecimen Required
Patient Preparation: Patient should not take nonsteroidal anti-inflammatory drugs within the 72 hours or aspirin within the 2 weeks prior to specimen collection.
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Container/Tube: Plastic urine tube
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 | 30 days | ||
| Ambient | 7 days |
Reference Values
≥18 years: ≤1.0 ng/mg creatinine
Reference values have not been established for patients who are younger than 18 years of age
Day(s) Performed
Tuesday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US 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 |
Report Available
2 to 9 daysReject 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)
CRETR: Enzymatic Colorimetric Assay
Forms
If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.