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Mayo Clinic Laboratories

Test Code GCC Culture, Neisseria gonorrhoeae (GC) Screen

Specimen and Container/Tube

Swab, fluid, or aspirate Site: genital, oral, rectal

Transport swab or sterile container

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

No Neisseria gonorrhoeae detected.

Turnaround Time

Day(s) Performed

24/7

STAT DAY(S) AND TIME(S) PERFORMED

Not Available

Test Components

Aerobic culture. Gram stain, when appropriate

Methodology

Conventional culture media

CPT Codes

87081

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.


Specimen Source: Oral
Specimen Collection: Swab areas of exudation or inflammation.
Specimen Transport: 24 hr, no refrigeration.

 

Specimen Source: Rectal
Specimen Collection: Insert swab approximately 1 inch past anal sphincter. Gently rotate the swab to sample the anal crypts. Feces should be visible on the swab for detection of bacterial pathogens. 1 specimen/day accepted.
Specimen Transport: 24 hr, no refrigeration.


See Microbiology Specimen Collection:

  • See category in Table 1 BACTERIOLOGY, CHLAMYDIA, MYCOLOGY, MYCOBACTERIOLOGY (AFB), VIROLOGY

Critical Values

 

All positive  culture

 

 

 

 

All

LOINC Codes

30687081

Last Reviewed Date

08/12/2022