URIC ACID, SYNOVIAL FLUID
- Code
- 201.6800
- Name
- URIC ACID, SYNOVIAL FLUID
- Category
- None
- Department
- Chemistry
- Start Date
- Expiration Date
- Synonyms
- CPT Codes
- 84560
- Site
- Main Lab
- Reference Test
Specimen Information
- Type
Gold, SST
- Volume
1.0 ml
- Transport Info
Refrigerated
Transport ASAP- Fasting Required?
- False
- Patient Instructions
- Reference Range
Reference ranges not available for body fluid specimens. Physician must interpret results based upon origin of fluid and patient's clinical condition.
- Methodology
Enzymatic
Clinical Significance
Evaluate uric acid metabolism in gout and renal calculus formation.
Serous fluids for laboratory examination are collected by needle aspiration from body cavities. These aspiration procedures could include thoracentesis (pleural), pericardiacentesis (pericardial), synovial (joint) fluid and paracentesis (peritoneal). Many pathologic conditions can cause a buildup (effusion) of serous fluids. Effusion of serous fluid can be placed into two general categories: transudates and exudates. A transudate disrupts the balance in the regulation of fluid filtration and reabsorption. An example is the changes in hydrostatic pressure created by congestive heart failure. Exudates are produced by conditions that directly involve the membranes of the particular cavity including infections and malignancies. Analysis of body fluid usually includes one or more of the following: cell count, differential, total protein, crystals, pH, specific gravity, glucose, albumin, amylase, sodium, potassium, chloride, LD, creatinine, urea nitrogen, uric acid, routine culture, and cytologic studies. Additional testing may include specialized microbiology cultures for AFB or fungus or testing for the presence of bilirubin. Only those tests that are ordered will be performed.