Uric Acid


Abbrev Code:URIC   
Order Code:LAB141Order Name:Uric Acid
Methodology:Roche: Colorimetric
Vista: Bichromatic endpoint
St. Johns/Woodwinds: Uricase
CPT Codes: 84550 x1, 84550 x1
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Roche Go Live Schedule



Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel), St Johns/Woodwinds-Green (lithium heparin, no gel)
Alternate Containers: Green (lithium heparin, no gel), Red (no gel), Red or gold (gel), St Johns/Woodwinds - Red (no gel)


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.3 mL, 0.1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:3 days at room temperature; 7 days refrigerated; 6 months frozen.
Test Performed at or Referral Lab Chemistry  (CSC Maple Grove, CSC Mpls, Grand Itasca, Lakes, Northland, Oxboro Clinic, Range, Roche-Ridges, Roche-UMMC East, Southdale, St. John's, UMMC/UMMCH-West Bank, Woodwinds)


Interpretive

Critical Range:Grand Itasca only: Greater than 13.0 mg/dL
Reference Range:
Grand Itasca (all ages, M/F): 4.4-7.6 mg/dL

St Johns/Woodwinds:
Age Female, mg/dL Male, mg/dL
0-5 y 2.1-6.3 2.1-6.3
6-10 y 3.0-5.1 3.0-5.1
11-15 y 1.9-7.7 1.9-7.7
16 y & older 2.0-7.5 3.0-8.0
 
Vista:
Age Female (mg/dL) Male (mg/dL)
0-14 d 2.0-11.0 2.2-11.0
15-11 mo 1.2-5.4 1.2-5.4
1-11 y 1.4-4.1 1.4-4.1
12-18 y 2.1-5.0 2.1-6.5
19 y & older 2.6-6.0 3.5-7.2
 
Roche:
Age Female (mg/dL) Male (mg/dL)
0-15 d 2.7-12.6 2.7-12.6
16 d - 1 y 1.6-6.2 1.6-6.2
1-12 y 1.7-4.7 1.7-4.7
12-19 y 2.5-7.5 2.5-5.7
19 y & older 3.4-7.0 2.4-5.7
   
Use:Evaluate metabolism of urate, including gout and renal stones.


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