Skip to Content
UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Gram Stain

Test Code(s): GRST / HCGRST

CPT Code(s): 87205 gram stain, 87015 cytospin

Methodology: Microscopy

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 8 hours.

Specimen Requirements

Specimen: Greater than 1 mL fluid, tissue and swabs are acceptable specimen types.

Specimen Transport: Transport specimen to UWHC Microbiology (B4/231).

Unacceptable Criteria: Gram stains are not performed on blood, catheter tips, nares, mouth or throat specimens, or nonpatient materials/inanimate objects.

Stability: Ambient: 2 hours
Refrigerated: 24 hours
Frozen: Not acceptable


Critical Calls: View

Back to Lab Test Directory Index