Calcium, Urine

A calcium in urine test measures the amount of calcium in your urine (pee).

Calcium in Urine Test, MedlinePlus, National Library of Medicine

Primary unit: mg/dL
LOINC codes: 18488-7
Tests that measure Calcium, Urine: Labcorp 2

Tests

Check the catalog code, specimen, method and preparation for every test that measures Calcium, Urine. Select up to five tests to compare them side by side.

Labcorp 2 tests

Panels that include this biomarker

Calcium, Urine 003269
2 analytes · Urine · Fasting not stated · Turnaround Within 1 day
Method and collection
Method
Colorimetric
Preparation
Urinary calcium results are more meaningful if the patient has been on a low calcium, neutral ash diet for three days prior to urine collection. Drugs affecting mineral metabolism should be withdrawn, if possible, two to four weeks prior to and during collection. These include antacids, phosphates, diuretics, glucocorticoids, carbonic anhydrase inhibitors, and anticonvulsants.
Collection
Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with patient's full name, room number, date and time collection started, and date and time collection finished. pH must be <2.
Labcorp catalog page
Calcium:Creatinine Ratio 134908
3 analytes · Urine · Fasting not stated · Turnaround Within 1 day
Method and collection
Method
Colorimetric
Collection
Collect urine and transfer to a random urine transport tube or urine Monovette® with pH stabilizer (LabCorp N° 56015). Final pH must be <2.
Labcorp catalog page

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Sources

Check the guidelines, studies and lab catalogs behind every range and link on this page. Open a source to see each claim it backs.

Lab catalogs

Labcorp test menu
Labcorp
- Test catalog: 2 tests, with codes, specimens, methods and reference intervals
Open source

Reference sources

Calcium in Urine Test
MedlinePlus, National Library of Medicine
- The description at the top of this page
Open source

Codes and registries

LOINC 18488-7
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Calcium, Urine
Registered studies that measure Calcium, Urine, on the U.S. National Library of Medicine registry.

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

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