Biomarkers · Chemical
Osmolality, Urine
Osmolality tests measure the amount of certain substances in your blood, urine, or stool (poop). The tests can show how your kidneys are working and whether you have an unhealthy fluid balance.
- Primary unit
- mOsmol/kg
- LOINC codes
- 2695-5
- Tests that measure Osmolality, Urine
- Labcorp 1, Quest Diagnostics 1
Tests
Check the catalog code, specimen, method and preparation for every test that measures Osmolality, Urine. Select up to five tests to compare them side by side.
Labcorp 1 test
Single-analyte tests
Osmolality, Urine 003442
Urine · Fasting not stated · Turnaround 1 - 3 days
Labcorp catalog pageMethod and collection
- Method
- Freezing point depression
- Collection
- Centrifuge urine sample after collection for five minutes at 4°C to 25°C to remove gross particulate matter.
- Reference notes
- • 24-hour urine: 300−900 mOsm/kg • Random urine: 50−1400 mOsm/kg • After 12-hour fluid restriction: >850 mOsm/kg
Quest Diagnostics 1 test
Single-analyte tests
Osmolality, Urine 678
Urine · Fasting not stated
Quest Diagnostics catalog pageMethod and collection
- Method
- Freezing Point Depression
- Reference notes
- 50-1200 mOsm/kg
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Pick one moreSources
1 test: codes, specimens, methods, preparation and reference intervals.
Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
MedlinePlus, National Library of Medicine
The description at the top of this page.
LOINC 2695-5
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Osmolality, Urine
Registered studies that measure Osmolality, 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.
Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.
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