Joint Fluid for Bacterial C/S (Aerobic) with Gram Stain

Specimen Required

FLUID (All Body Fluid)

Fasting Required

Purpose of the Test

This test is performed to diagnose the presence of a bacterial infection in the joint fluid.

When this test is required

A healthcare practitioner may order this test when a patient has signs and symptoms of a joint infection, such as pain, swelling, redness, warmth, and limited movement. It may also be ordered to monitor the effectiveness of treatment for a joint infection.

What the Test Detects

This test involves the culture of joint fluid sample on a special medium to determine the presence of bacteria. The gram stain is used to determine whether the bacteria are gram-negative or gram-positive.

Preparation for the Test

No specific preparation is needed for the test. However, inform the healthcare practitioner if you are taking any antibiotics or blood thinners.

Sample Requirements

A sample of joint fluid is required for the test.

Additional Notes

If the joint fluid sample is bloody, it may interfere with the test results. Additionally, it may take several days to obtain the results of the test.

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