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Joint Fluid Analysis

What Affects the Test

You may not be able to have this test or the results may not be useful if:

  • You do not have enough fluid in the joint space.
  • You are on blood-thinning medicine, such as warfarin, and your blood is too thin.
  • You have recently had cortisone injected into the same joint.
  • You have an infection in the skin near the joint.

What To Think About

  • Your doctor may recommend further treatment with medicine, physical therapy, or surgery after the cause of your joint pain has been found.
  • Tissue from the joint lining may be removed during this test (synovial biopsy). The tissue sample is then examined under a microscope.

Other Works Consulted

  • Pagana KD, Pagana TJ (2010). Mosby’s Manual of Diagnostic and Laboratory Tests, 4th ed. St. Louis: Mosby Elsevier.

By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer Kathleen Romito, MD - Family Medicine
Current as of June 4, 2012
1 | 2 | 3

WebMD Medical Reference from Healthwise

Last Updated: June 04, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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