Calcium Urine 24 Hour

SIM

10630 

CPT

82340 

Synonyms

Urine Ca 

Specimen Type

Voided 24 hour Urine 

Container

24 hour urine container

Collection Instructions

•  Collect all urine voided for 24 hours and place in the 24 hour urine container. 
•  The collection container is to be kept in the refrigerator or on ice during the timed period. 
•  Note the number of hours of urine collection on the aliquot.

Volume

Max: 5 ml preferred 
Min:  1 ml

Additional Information

None

Patient Preparation

None

Specimen Processing Instructions

• Refrigerate
• Note the number of hours of urine collection on the aliquot.
• Give aliquot to Core Lab so a tech can acidify with 2-3drops of 6N HCL.

Transport Requirements

Refrigerated

Specimen Stability

Refrigerated: 72 hours 

Rejection Criteria

Insufficient volume

Reference Range

100 - 240 mg/24 hour

Critical Value

None 

Test Includes

Urine Calcium 

Methodology

Arzenazo 

Testing Frequency

Daily, Monday - Sunday 

Reviewed By

Crystal Killian

Reviewed Date

3/17/2021

Supplemental