Calcium, 24 Hr Urine Panel

Test Code

CALCIUM,24HR PANEL

Alias/See Also

Chemistry

Preferred Specimen

24 Hr urine collection

Instructions

Preservative: 20-30 mL of 6 mol/L HCl in order to prevent calcium salt precipitation

Refrigerate during collection.

Transport Temperature

Refrigerate

Specimen Stability

Acidify urine to pH <2
Room temperature: 2 days
Refrigerated (2-8°C): 4 days
Frozen (-20°C or colder): 3 weeks

Methodology
Arsenazo

Setup Schedule

Daily

Report Available

TAT 1 day

Reference Range

100-300 mg/24h

Clinical Significance

Normal Calcium diet 100-300 mg/day. Low Calcium diet up to 150 mg/day.

Performing Laboratory
Test performed in these BACL Chemistry Labs
Contact: Jonathan Dryjowicz-Burek, West Roxbury 857-203-5973
Alternate contact: Joseph A. Manzone Jamaica Plain 857-364-5092

Additional Information
Collection of 24 Hour Urines or Timed Urines

Last Updated: May 17, 2022

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.