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  Uric Acid, Urine

UURIC
Example Reports
Abnormal
Normal

Ordering Recommendation

Aids in diagnosis of kidney stones. Aids in monitoring uric acid levels in patients at risk for kidney stone development (eg, gout).

New York DOH Approval Status

This test is New York state approved.

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: 2 weeks; Frozen: 1 month

Methodology

Quantitative Spectrophotometry

Performed

Sun-Sat

Reported

Within 24 hours

Reference Interval

Test Number
 Components
 Reference Interval
  Uric Acid, Urine - per 24h 250-750 mg/d
  Creatinine, Urine - per 24h
Age
 Male (mg/d)
 Female (mg/d)
3-8 years 140-700 140-700
9-12 years 300-1300 300-1300
13-17 years 500-2300 400-1600
18-50 years 1000-2500 700-1600
51-80 years 800-2100 500-1400
81 years and older 600-2000 400-1300

Interpretive Data



Compliance Category

FDA

Note

  Reference interval for random urine has not been established.

Hotline History

N/A

CPT Codes

84560

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Components

Component Test Code* Component Chart Name LOINC
0020207 Creatinine, Urine - per volume 35674-1
0020208 Creatinine, Urine - per 24h 2162-6
0020218 Uric Acid, Urine - per volume 3086-6
0020219 Uric Acid, Urine - per 24h 3087-4
0097110 Total Volume 19153-6
0097111 Hours Collected 30211-7
* 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
Uric Acid, Urine