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HelpTest ID HEXU Iohexol, Timed Collection, Urine
Useful For
Determining glomerular filtration rate in urine specimens
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
UrineSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Container/Tube: Plastic vial
Specimen Volume: 5 mL
Collection Instructions: Collect a timed urine specimen. Timing may be variable and patient dependent.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 7 days |
| Frozen | 35 days | |
| Ambient | 7 days |
Reference Values
Not applicable
Day(s) Performed
Monday through Friday
CPT Code Information
82542
Report Available
3 to 4 daysReject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Secondary ID
606985Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.