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Calcium 24 Hour Urine  

Additional Codes

LAB814

Performing Laboratory

MBMC Main Laboratory

Methodology

5-nitro-5'methyl-BAPTA (NM-BAPTA)/Photometric

Specimen Requirements

Specimen Type: Urine, 24 hour
Container/Tube: Plastic urine container
Specimen Volume: Entire 24-hour collection
Collection Instructions: 10 mL of 6N HCl. Refrigerate specimen during collection.
Additional Information:

1. Starting and ending times of collection are required.
2. Follow instructions in Urine Collection in Special Instructions.

Specimen Transport Temperature

Ambient

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours

Reference Values

None established 0-18yr
>18yr:  25-300 mg/24 hours

Test Classification and CPT Coding

 

Test Classification:This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.
CPT Code:
81050-Volume measurement for timed collection

 

82340-Calcium

Special Instructions