Biomarkers · Chemical
Citric Acid, Urine
- Primary unit
- mg/L
- LOINC codes
- 29527-9, 21203-5
- Tests that measure Citric Acid, Urine
- Labcorp 1, Quest Diagnostics 1
Tests
Check the catalog code, specimen, method and preparation for every test that measures Citric Acid, Urine. Select up to five tests to compare them side by side.
Labcorp 1 test
Panels that include this biomarker
Citric Acid (Citrate), 24-Hour Urine 016865
2 analytes · Urine · Fasting not stated · Turnaround 2 - 7 days
Labcorp catalog pageMethod and collection
- Method
- Nuclear magnetic resonance (NMR) or Enzymatic
- Collection
- Collect 24-hour urine with 30 mL 6N HCl. Caution: Strong acid. Mix well. Instruct the patient to void at 8 a.m. and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (i.e., 8 a.m. the next morning). Screw the lid on securely. Container must be labeled with patient's full name and date and time collection started and finished. Keep container refrigerated during collection. Preservative is not necessary during collection but should be added to urine collection within 24 hours. Final pH must be 1 to 3. Measure and record on the request form 24-hour total volume and send aliquot to the laboratory. Alternatively, the sample may be frozen without added acid.
- Reference notes
- 320−1240 mg/24 hours
Quest Diagnostics 1 test
Panels that include this biomarker
Organic Acids, Comprehensive, Quantitative, Urine 35819
93 analytes · Urine · Fasting not stated
Quest Diagnostics catalog pageMethod and collection
- Method
- Gas Chromatography/Mass Spectrometry (GC/MS)
- Collection
- Sterile screw-cap container. Freeze immediately. Ship frozen. Do not thaw. Patient age should be included.
- Reference notes
- See Laboratory Report
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1 test: codes, specimens, methods, preparation and reference intervals.
Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Citric Acid, Urine
Registered studies that measure Citric Acid, 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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