32040:CALCIUM (Ca), 24 HOUR URINE

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32040:CALCIUM (Ca), 24 HOUR URINE
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.

100-300 mg/24 hr

PeaceHealth Laboratories