Test Overview
Test Methodology

Microscopic exam

Test Usage

To determine presence or absence of bacteria, yeast, white blood cells and/or clue cells.

Reference Range *

Depends on site of specimen

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily
Analytic Time

1 - 4 hours

Soft Order Code
GSO
MiChart Code
Gram Stain ONLY (DO NOT ORDER IF ORDERING CULTURE)
Synonyms
  • Bacterial Smear
  • Bacterial Vaginosis
  • BV
  • Direct Smear, Bacteria
  • Direct Smear, Gram Stain
  • GSO
  • Smear, Gram Stain
  • GRAM STAIN ONLY
Laboratory
Microbiology
Section
Microbiology
Specimen Requirements
Collection Instructions

Collect specimen according to instructions for routine culture of specific site. Send in aerobic transport; do not send in anaerobic transport. Refrigerate and send within 24 hours. Indicate specimen source and collection date/time.

Normal Volume
0.5 ml or one swab. Separate swab should be sent for culture.
Minimum Volume
0.5 ml or one swab
Billing
CPT Code
87205
Fee Code
20222
LOINC
664-3
Resources