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HelpTest Code LAB814 Calcium, 24 Hour, Urine
Additional Codes
45192
Reporting Title
24-Hour Urine Calcium
Methodology
Roche Diagnostics, NM-BAPTA
Performing Laboratory
OhioHealth Laboratory Services-RMH Core Laboratory
Specimen Requirements
5 mL from a 24-hour urine collection in a screw-capped, plastic urine container. No preservative. Mix well before taking 5-mL aliquot. Refrigerate specimen during collection and send specimen refrigerated.
Note: 1. 24-Hour volume is required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions.”
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| urine | Refrigerated | 4 days |
| Ambient | 2 days | |
| Frozen | 3 weeks |
when pH is less than 2.0
Specimen Transport Temperature
Refrigerate/Frozen OK/Ambient OK
Reference Values
0.05-0.40 g/24 hours
Day(s) Test Set Up
Monday through Sunday; Continuously
Test Classification and CPT Coding
82340