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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.
Useful For
Normalizing urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections
Reporting Name
Creatinine, Random, USpecimen 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
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CRTFR | Creatinine, Random, U | 2161-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| CRTFR | Creatinine, Random, U | 2161-8 |