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Test Code CA24 Calcium, 24 Hour, Urine

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:   Calcium, Urine 24 Hour

AllScripts (AEHR) Orderable:  Calcium, Urine 24 Hour

Performing Laboratory

Northwell Health Laboratories



Includes Creatinine

Reference Values

50-150 mg/24 hours

Test Classification and CPT Coding

81050-Urine timed measurement


Specimen Required

Container/Tube: Plastic urine container

Specimen Volume:  20 mL well mixed aliquot from 24 hr urine collection.(10mL min)

Collection Instructions: Requires 10 mL HCL preservative for pH <2. 

Note: Starting and ending times of collection are required.  Mark Total volume on container.

Day(s) and Time(s) Performed

Monday through Sunday

Computer Interface Code

PDM # 5300590