Test Code EGNC Culture, Genital, Female (External), Bacteria
Specimen and Container/Tube
Swab, fluid, or aspirate Site: cervix, vagina, vulva, labia, urethra
Transport swab or sterile container
Collection Instructions
Offsite Collection Instructions
See UCMC Collection Instructions
UCMC Collection Instructions
Specimen Source: Cervix (swab, fluid, or aspirate). This is not an appropriate source for Group B Strep screen.
Specimen Collection: Wipe cervix clean of vaginal secretions and mucus. Using a speculum with no lubricant, compress the cervix. Obtain exudate from endocervical glands.
Specimen Transport: 24 hr, no refrigeration.
Specimen Source: Vagina (swab, fluid, or aspirate). This is not an appropriate source for Chlamydia/GC probe testing or Group B Strep screen.
Specimen Collection: Use speculum with no lubricant. Aspirate or swab material from high on the vaginal wall.
Specimen Transport: 24 hr, no refrigeration.
Specimen Source: Vulva, Labia
Specimen Collection: Clean lesion with saline; do not use alcohol. Remove crust if present. Abrade lesion to obtain fluid or scrape beneath extending border of lesions.
Specimen Transport: 24 hr, no refrigeration.
Specimen Source: Urethra
Specimen Collection: Wipe urethra clean with sterile gauze. Obtain exudate or discharge with swab. Alternatively, a swab may be inserted 2 cm inside the urethra for specimen collection.
Specimen Transport: 24 hr, no refrigeration.
See Microbiology Specimen Collection:
- See category “Genital, Female External”, Table 1 BACTERIOLOGY, CHLAMYDIA, MYCOLOGY, MYCOBACTERIOLOGY (AFB), VIROLOGY
Specimen Handling and Transport Instructions
Transpot Instructions
See UCMC Collection Instructions
Rejection Criteria
Whole blood/unspun samples greater than 6 hours will be
rejected.
Reference Values
Negative
Critical Values
All positive culture
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Turnaround Time
Turnaround Time
Gram stain only: within 1 hour of receipt in Microbiology
lab; if STAT requested.
STAT Turnaround Time
Gram stain only: within 1 hour of receipt in Microbiology lab; if STAT requested.
Day(s) Performed
24/7
STAT DAY(S) AND TIME(S) PERFORMED
Available
Test Components
Gram stain
Aerobic culture
Screen for Neisseria gonorrhoeae
Methodology
Conventional culture media
CPT Codes
87070, 87205
LOINC Codes
30587070, 30687205
Last Reviewed Date
08/12/2022