Test Directory

Test Code
GRST
Test Name
Gram Stain
CPT Codes
87205
Included Tests
Gram Stain only - included with most routine cultures
Expected Turnaround Time
1 day
Clinical Utility
The Gram stain is performed for the identification of bacteria in specimens submitted from infected sites. Bacteria will be identified morphologically and reported semi-quantitatively. A Gram stain is included with aerobic and aerobic/anaerobic cultures and an indivudal order is not needed. Submission of a Gram stain alone when bacterial infection is suspected is not recommended.
Specimen and Container Info

Specimen

Collection Container

Aspirate, Body Fluid, Exudate

Sterile Container or Red Top Tube, No Additive

Tissue

Sterile Container

Wound

Eswabs or Alternate Anaerobic Transport

Note: Swabs are not preferred when tissue or aspirate can be obtained.

Collection Instructions

 Collect material from site with signs of infection.

Processing and Submission Instructions
If Gram stain is ordered in addition to a culture that includes a Gram stain, the Gram stain will be cancelled as a duplicate.
Stability Requirements

Room Temperature

24 hours

Refrigerated

48 hours
Methodology
Microscopic Examination
Critical Values
Performing Location
Roble Road Core Laboratory
Alternate Names
  •  Bacteria Smear
Testing Schedule
Routine daily, STAT testing available