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Test Code LAB141 Uric Acid, Plasma or Serum

Reporting Title

Uric Acid

Methodology

Roche Diagnostics, Uricase-RMH, GMC, DH, DMH, MGH, MH, PMH, SH

Useful in diagnosis and treatment of metabolic and renal disorders, including renal failure, gout, leukemia, starvation, or other wasting conditions.

Performing Laboratory

OhioHealth Laboratory Services- RMH, GMC, DH, DMH, MGH, MH, SH, PMH Core Laboratories

Specimen Requirements

Collection Instructions:

1. Serum and Plasma gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.

 

Submit only 1 of the following specimens:

 

Preferred:

Serum

Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note:

1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. Indicate serum on request form.

3. Label specimen appropriately (serum).

 

Alternate: 

Plasma

Draw blood in a mint green-top (heparin) gel tube(s). Spin down and send 1 mL of heparinized plasma refrigerated.

Note:  1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

 

Specimen Stability Information

Specimen Type Temperature Time
Serum or plasma Refrigerated 5 days
  Ambient  3 days
  Frozen  6 months

 

Specimen Transport Temperature

Refrigerate: OK

Ambient: OK

Frozen: OK

Reference Values

Males

0-31 days:  1.2-3.9 mg/dL

32 days-12 years:  2.0-5.5 mg/dL

≥13 years:  3.4-8.5 mg/dL

Females

0-31 days:  1.0-4.6 mg/dL

32 days-12 years:  2.0-5.5 mg/dL

≥13 years:  2.4-7.0 mg/dL

Note:  Alpha-Methyldopa, desferoxamine, and calcium-dobesilate (eg, Dexium®) at therapeutic levels can falsely lower results.

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

84550