Test ID CRETR Creatinine, Random, Urine
Specimen Required
Only orderable as part of a profile. For more information see orderable test ID.
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Container/Tube: Plastic, 5-mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Secondary ID
610598Useful For
Normalization of urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections
Specimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 30 days |
| Frozen | 30 days | |
| Ambient | 14 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitabilityReference Values
Only orderable as part of a profile. For more information see orderable test ID.
≥18 years old: 16-326 mg/dL
Reference values have not been established for patients who are younger than 18 years of age.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82570
Day(s) Performed
Monday through Sunday