32040:CALCIUM (Ca), 24 HOUR URINE
Author PeaceHealth Laboratories
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| Methodology: |
Indirect Potentiometry |
| Edit Date: |
6/18/2006 |
| Performed: |
Daily |
| Released: |
Same day as tested |
| CPT Code: |
82340 |
| Specimen Collection Details |
| Collection: |
24-hour urine collected in a 24-hour urine container with 10 mL 6N hydrochloric acid (HCl) as a preservative. Specimen may also be collected without a preservative if kept refrigerated. Note time collection started and stopped. |
| Handling: |
Send complete collection in original container. If submitting aliquot, mix total collection well, then measure and record total volume before pouring off into a sterile container. Refrigerate. Refrigerate. pH will be adjusted to <5.0 if necessary after receipt at performing laboratory. |
| Standard Volume: |
25 mL aliquot or total urine collection. |
| Minimum Volume: |
5 mL aliquot. |
| Transport: |
Refrigerated. |
| Rejection Criteria: |
Incomplete collection; specimen collected without preservative or refrigeration. |