32030:CALCIUM (Ca), TIMED URINE

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32030:CALCIUM (Ca), TIMED URINE
Methodology: Indirect Potentiometry
Edit Date: 6/18/2006
Performed: Daily
Released: Same day as tested
CPT Code: 82340
Specimen Collection Details
Collection: Timed urine collection in a sterile container. Refrigerate during collection. Note specific start and stop times.
Handling: Mix well and pour off a 25 mL aliquot into a sterile container or submit total collection for testing. Measure and record total volume and collection period with aliquot. 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 urine.
Transport: Refrigerated.
Comments: See also: Calcium (Ca), 24-Hour Urine (32040)

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