Gram Stain

CPT Code


Specimen Type


Container Type

ESWAB (Wound)/ Blood Culture Bottle (Blood)


24 hours Room Temperature

Handling Instructions

Do not refrigerate

Clinical Notes

The Gram stain is used by technologists as the first step in the identification of bacteria grown in culture. It is the initial step on providing the physician information about a specimen before it is cultured.

Performing Lab

Principle Laboratory - Houston
16840 Buccaneer Ln
Suite 281
Houston, TX 77058