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Uric Acid, Urine
0020481
Ordering Recommendation
Aids in diagnosis of kidney stones. Aids in monitoring uric acid levels in patients at risk for kidney stone development (eg, gout).
Mnemonic
UURIC
Methodology
Quantitative Spectrophotometry
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 specimen during collection. Also acceptable: Random urine.  
Specimen Preparation
Urine pH must be adjusted to greater than 8.0.  If pH is less than or equal to 8.0, adjust pH to greater than 8.0 by adding 5 percent NaOH.  Mix well and allow entire 24-hour collection to stand for 15 minutes. Recheck pH and readjust if necessary. Transfer one 3 mL aliquot from a well-mixed 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume, collection time interval, and pH on transport tube or aliquot tube and on test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Specimens with pH less than 8.0. Urine collected with acid.  
Remarks
  
Stability
Ambient: 4 days; Refrigerated: 4 days; Frozen: 2 weeks  
Reference Interval
250-750 mg/d  
Interpretive Data
 
Note
Reference interval for random urine has not been established.
CPT Code(s)
84560
Components
Component Test Code*Component Chart NameLOINC
0020207Creatinine, Urine - per volume20624-3
0020208Creatinine, Urine - per 24h2162-6
0020218Uric Acid, Urine - per volume21587-1
0020219Uric Acid, Urine - per 24h3087-4
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
  • urine uric acid concentration
  • urine uric acid level