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Calcium, timed urine-57

Test info

Test name:

Calcium, timed urine

Test number:

Excellian order number:

82340.1

Abbreviation:

CAU

Specimen

Specimen type:

Urine, 24 hr

Collection container:

24-hr urine collection container with HCl

Volume:

24 hour collection

Minimum volume:

8 mL aliquot of a 24 hour urine collection

Collection instructions:

How to collect a 24 hr urine sample

Processing instructions:

Bring the sample to room temperature
Record total urine volume on request and/or aliquot
Mix well
Transfer an 8 mL aliquot to a Urine aliquot transport vial/tube - 10mL (AHL)

Transport container:

Urine aliquot transport vial/tube - 10mL (AHL)

Alternate collection container:

24 hr urine collection container, no additive

Transport and stability:

Ambient - 2 days

Refrigerated - 4 days

Frozen - 3 weeks

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Delay in transport
Improper storage temperature affecting results
Inappropriate timing of collection
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performance

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 day

Method:

Arsenazo III, Colorimetric

Clinical and Interpretive info

Reference ranges:

Adult: 100 - 300 mg/24 hr

Billing

CPT codes:

82340

Tracking

Date created:

11/30/2001

Revised date:

05/23/2024

Review date:

11/09/2021