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HelpTest Code CCTR Calcium/Creatinine Ratio, Random, Urine
Specimen Required
Only orderable as part of a profile. For more information see CACR3 / Calcium/Creatinine Ratio, Random, Urine
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Collection Container/Tube: Clean, plastic urine container with no metal cap or glued insert
Submission Container/Tube: Plastic, 5-mL tube or a clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 4 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Useful For
Calculation of calcium concentration per creatinine concentration
Reporting Name
Calcium/Creat Ratio, Random, USpecimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 30 days | ||
| Ambient | 72 hours |
Reference Values
Only orderable as part of a profile. For more information see CACR3 / Calcium/Creatinine Ratio, Random, Urine
1 month-<12 months: 0.03-0.81 mg/mg creatinine
12 months-<24 months: 0.03-0.56 mg/mg creatinine
24 months-<3 years: 0.02-0.50 mg/mg creatinine
3 years-<5 years: 0.02-0.41 mg/mg creatinine
5 years-<7 years: 0.01-0.30 mg/mg creatinine
7 years-<10 years: 0.01-0.25 mg/mg creatinine
10 years-<18 years: 0.01-0.24 mg/mg creatinine
18 years-83 years: 0.05-0.27 mg/mg creatinine
Reference values have not been established for patients who are less than 1 month of age.
Reference values have not been established for patients who are greater than 83 years of age.
Specimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CCTR | Calcium/Creat Ratio, Random, U | 9321-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| CCTR | Calcium/Creat Ratio, Random, U | 9321-1 |
Day(s) Performed
Monday through Sunday