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Test Code CALC5 Calcium, Random, Urine


Specimen Required


Only orderable as part of a profile. For more information see CACR3 / Calcium/Creatinine Ratio, Random, Urine

 

Supplies: Sarstedt Aliquot Tube 5 mL (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

Measurement of calcium for the evaluation of calcium oxalate and calcium phosphate kidney stone risk, and calculation of urinary supersaturations

 

Evaluation of bone diseases, including osteoporosis and osteomalacia

Method Name

Only orderable as part of a profile. For more information see CACR3 / Calcium/Creatinine Ratio, Random, Urine

 

Photometric

Reporting Name

Calcium, Random, U

Specimen Type

Urine

Specimen 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 younger than 1 month of age.

Reference values have not been established for patients who are older than 83 years of age.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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

82310

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CALC5 Calcium, Random, U 17862-4

 

Result ID Test Result Name Result LOINC Value
CALC5 Calcium, Random, U 17862-4

Day(s) Performed

Monday through Sunday

Report Available

1 to 3 days