Citric Acid, Urine
Ordering Recommendation
New York DOH Approval Status
Specimen Required
24-hour urine. Refrigerate during collection. Also acceptable: Random urine.
Adjust pH to less than or equal to 2 by adding 6M HCl. Transfer a 4 mL aliquot of urine to an ARUP standard transport tube. (Min: 0.5 mL) Record total volume, collection time interval, and pH on transport tube and test request form. Also acceptable: Specimens previously preserved with boric acid.
Refrigerated.
Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: 1 month
Methodology
Quantitative Enzymatic Assay
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
Test Number |
Components |
Reference Interval |
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Creatinine, Urine - per 24h |
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Citric Acid/Creatinine Ratio, Urine | 1 year and older: greater than or equal to 150 mg/g. | ||||||||||||||||||||||
Citric Acid, Urine - per 24h | 18 years and older: 320-1240 mg/d |
Interpretive Data
Per 24h calculations are provided to aid interpretation for collections with a duration of 24 hours and an average daily urine volume. For specimens with notable deviations in collection time or volume, ratios of analytes to a corresponding urine creatinine concentration may assist in result interpretation.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
82507
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0020207 | Creatinine, Urine - per volume | 35674-1 |
0020208 | Creatinine, Urine - per 24h | 2162-6 |
0020242 | Citric Acid, Urine - per 24h | 6687-8 |
0020243 | Citric Acid, Urine - per volume | 2128-7 |
0020744 | Citric Acid/Creatinine Ratio, Urine | 51792-0 |
0097110 | Total Volume | 19153-6 |
0097111 | Hours Collected | 30211-7 |
Aliases
- Urinary Citrate Excretion
- Citric Acid/Creatinine Ratio, Random Urine
- Citric Acid, Random Urine
- Citrate
- Citric Acid, Urine