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HelpTest ID NBLD0164 Calcium, 24 Hour Urine
AKA
CA,24HR UR
Specimen Type/Requirements
24 Hour Urine Container - Urine aliquot from a well mixed and measured 24 Hour Urine (preferred)
24 Hour Urine Container - Complete 24 Hour Urine Collection (also acceptable)
Refrigerate during collection. Note the total volume on the aliqout tube.
Acidify specimens to a pH of <2.0 with 6N hydrochloric acid prior to centrifugation.
Specimen Volume
| Preferred Volume | 4.0 mL |
|---|---|
| Minimum Volume | 1.0 mL |
Stability/Transport
| Room Temperature | 48 hours | |
|---|---|---|
| Refrigerated | 4 days | Preferred for transport |
| Frozen | 3 weeks |
Performed Test Frequency
Monday through Sunday
Methodology
Arsenazo III
Performing Lab
Sanford Laboratories Bismarck
CPT
82340