A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
CALCIUM, URINE, RANDOM
Test CodeRTCA
CPT Codes
82340
Preferred Specimen
Sterile Container

Minimum Volume
1 mL (2 mL optimal)
Transport Container
URINE Container
Transport Temperature
Room temperature
Specimen Stability
2-8°C up to 7 days
Methodology
Colorimetric
Setup Schedule
DAILY, as received
Report Available
STAT: <60 minutes
Routine: <4 hours
Routine: <4 hours
Reference Range
Reference ranges have not been established for random samples
Clinical Significance
Urinary calcium is used primarily to evaluate parathyroid function and the effects of vitamin D. A significant number of patients with primary hyperparathyroidism will have elevated urinary calcium.
Performing Laboratory
Mount Sinai Hospital