Calcium, timed urine

Alphabetical Test listing

Calcium, timed urine-57

Test name:

Test number:

Excellian order number:

82340.1

Abbreviation:

CAU

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)

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 day

Method:

Arsenazo III, Colorimetric

Reference ranges:

Adult: 100 - 300 mg/24 hr

CPT codes:

82340

Date created:

11/30/2001

Revised date:

05/23/2024

Review date:

11/09/2021