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Gram Stain


Also known as: Gram’s Stain
Formal name: Gram Stain

At a Glance

Why Get Tested?

To identify the presence and general type of microorganisms in a sample taken from the site of suspected infection or a sample of microorganism grown in culture so that further identification tests can be performed and appropriate treatment can be given

When to Get Tested?

When your doctor suspects that you have a bacterial infection; often whenever a culture is requested

Sample Required?

Pus, body fluid, sputum, or swab of cells taken from the site of an infection; a sample of a microorganism grown and isolated in culture

Test Preparation Needed?

None