Citric Acid, Urine
0020852
Ordering Recommendation
 
Mnemonic
CITRIC U
Methodology
Quantitative Enzymatic
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
24-hour urine. Refrigerate during collection. Also acceptable: Random urine.  
Specimen Preparation
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.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
  
Remarks
 
Stability
Ambient: 8 hours; Refrigerated: 1 week; Frozen: Indefinitely  
Reference Interval
 
 
Test Number Components Reference Interval
 Citric Acid, Urine 18 years and older: 320-​1240 mg/d
 Citric Acid/Creatinine Ratio, Urine 1 year and older: greater than or equal to 150 mg/g.
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
82507
Components
Component Test Code*Component Chart NameLOINC
0020207Creatinine, Urine - per volume20624-3
0020208Creatinine, Urine - per 24h2162-6
0020242Citric Acid, Urine - per 24h6687-8
0020243Citric Acid, Urine - per volume21203-5
0020744Citric Acid/Creatinine Ratio, Urine13722-4
0097110Total Volume19153-6
0097111Hours Collected30211-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Citrate
  • Citric Acid, Random Urine
  • Citric Acid, Urine
  • Citric Acid/Creatinine Ratio, Random Urine
  • Urinary Citrate Excretion