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Test Code URIC ACID Uric Acid, Plasma or Serum

Performing Laboratory

North Ottawa Community Hospital

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Specimen Type: Plasma

Container/Tube: Mint-green top (lithium heparin gel)

Specimen Volume: 0.5 mL

Collection Instruction: 

1. Label specimen as plasma.

2. Avoid hemolysis and lipemia.

 

Acceptable:

Specimen Type: Serum

Container/Tube: Serum gel or red top

Specimen Volume: 0.5 mL

Collection Instruction: 

1. Label specimen as serum.

2. Avoid hemolysis and lipemia.

Reference Values

Males

1-10 years:  2.4-5.4 mg/dL

11 years:  2.7-5.9 mg/dL

12 years:  3.1-6.4 mg/dL

13 years:  3.4-6.9 mg/dL

14 years:  3.7-7.4 mg/dL

15 years:  4.0-7.8 mg/dL

≥16 years:  3.7-8.0 mg/dL

Reference values have not been established for patients who are <12 months of age.

 

Females

1-6 years:  2.1-5.4 mg/dL

7-8 years:  2.3-5.5 mg/dL

9-10 years:  2.3-5.8 mg/dL

11 years:  2.3-5.8 mg/dL

12 years:  2.3-5.9 mg/dL

≥13 years:  2.7-6.1 mg/dL

Reference values have not been established for patients who are <12 months of age.

 

*Treatment goal for gout patients is 6.0 mg/dL

Day(s) Test Set Up

Monday through Sunday

Methodology

Colorimetric

Specimen Transport Temperature

Ambient

Test Classification and CPT Coding

84550

Specimen Storage and Stability

Specimen Type Temperature Time
Serum/Plasma Room Temp < 3 days
  Refrigerated (primary) <5 days
  Frozen <6 months