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HelpTest ID CRTFR Creatinine, Random, Urine
Specimen Required
Only orderable as part of a profile. For more information see RLTE4 / Leukotriene E4, 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.
Reporting Name
Creatinine, Random, USpecimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Frozen (preferred) | 30 days |
| Refrigerated | 30 days | |
| Ambient | 14 days |
Report Available
1 dayPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |
Useful For
Normalizing urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections
Day(s) Performed
Monday through Sunday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
82570
Specimen Minimum Volume
1 mL
Reference Values
Only orderable as part of a profile. For more information see RLTE4 / Leukotriene E4, 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.
Method Name
Only orderable as part of a profile. For more information see RLTE4 / Leukotriene E4, Random, Urine.
Enzymatic Colorimetric Assay