Gram Stain Test- Reference Range

A gram stain test is used to identify bacteria. It is one of the most common ways to quickly diagnose bacterial infection in the body.

Negative results of gram stain indicate no bacteria or only “friendly” bacteria were found.

Positive results may indicate:

  • Intestinal infection or illness
  • Sexually transmitted diseases (STDs) including gonorrhea
  • Pleural space infection
  • Pneumonia
  • Skin infections
  • Toxic shock syndrome
  • Foodborne illnesses
  • Urinary tract infections
  • Meningitis

Keywords: Gram Stain; Gram Stain Test

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