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Catalog ID Ag GpAStrep>Cul Group A Streptococcus Antigen with Culture Performed if Antigen Negative

Synonyms

GASS

Specimen Type

Aerobic Culture Swabs

Specimen Requirements

Two swabs must be submitted.

Causes for Rejection

Improper collection; improper labeling; delay in transport; only one swab submitted

Turn Around Time

Final negative culture result in 48 hours.

CPT / HCPCS Code

Antigen test 87430; Culture 87081

Performing Lab

Microbiology BA-1672 721-2807

Storage and Transport

Ambient temperature and transport to Microbiology Laboratory within 1 hour of collection.

Reference Range

Negative Group A Streptococcus antigen test, no beta strep isolated.

Test Consists

Group A Streptococcus antigen test with culture screen for Group A Streptococcus if antigen negative. This is the required test for patients <18 years old.