Cleveland Heartlab

F2-Isoprostanes/Creatinine Ratio

CPT Code: 83789/82570
 
Order Code: C918
 
Synonyms: F2-IsoPs; F2αIsoprostane; IsoPF; F2CR
 
Sample Type: Random Urine
 
Minimum Volume: 1.0 mL
 
Tube Type: Yellow-top urine specimen tube
 
Collection: Use a clean urine container to collect a random urine sample and transfer to a yellow-top urine specimen tube using the vacutainer system. The sample should be collected without preservatives.
 
Storage Instruction:  Cleveland HeartLab recommends that samples be stored at 4°C and shipped the same day as draw.  The sample is stable for up to 7 days at 4°C.

Causes of Rejection: Samples will be rejected if the yellow-top urine specimen tube is cracked/leaking, or improperly labeled.

Use: F2-IsoPs are the ‘gold-standard’ for quantifying oxidative stress

Methodology: High turbulence liquid chromatography (HTLC)/Mass spectrophotometry (MS)

Goal Value: <0.86 ng/mg

Additional Information: For additional information about F2-Isoprostanes testing click here.