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HelpTest Code CRTFR Creatinine, Random, Urine
Specimen Required
Only orderable as part of a profile. For more information see:
-RLTE4 / Leukotriene E4, Random, Urine.
-TIUCR / Titanium/Creatinine Ratio, Random, Urine
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Container/Tube: Plastic, 5-mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Specimen Type
UrineSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Frozen (preferred) | 30 days | |
| Refrigerated | 30 days | ||
| Ambient | 14 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Only orderable as part of a profile. For more information see:
-RLTE4 / Leukotriene E4, Random, Urine.
-TIUCR / Titanium/Creatinine Ratio, Random, Urine
≥18 years old: 16-326 mg/dL
Reference values have not been established for patients who are younger than 18 years of age.
Day(s) Performed
Monday through Sunday
Report Available
1 daySpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82570