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Test Code LAB2556 Nose Culture


Clinical System Name

Nose Culture


External Nares Culture

Nasal Culture


Sample Requirements

In-House Specimen Collection: Sample should be collected by inserting a swab into the external nares. Rotate swab against the nasal mucosa to absorb secretions. Collect using BD ESwab and insert swab into Amies transport media provided in the collection kit. 


Off-Site Specimen Collection: Same as above.


Container: Insert swab into the transport media tube provided in the package.


Preferred Vol: N/A

Minimum Vol: N/A

Processing Instructions

CPA: Send sample to Microbiology for processing.


Off-site collection:  Nose cultures are not set up at Off-site Children's Lab locations. Sample should be kept at room temperature until and during transport to SCH Lab. 


Other off-site locations, keep sample at room temperature until and during transport to SCH Lab.



BD ESwab
Temp Time
Room temp 24 hours
Refrigerated OK for up to 48 hours
Frozen N



Procedure Performed Turn Around Time (TAT)
Gram Stain N/A


Culture 24/7 48 - 72 hours

Cultures are read at appropriate intervals to detect early bacterial growth. STAT requests are not applicable.

Gram stains are not performed on Nose cultures.

Performing Laboratory

Seattle Children's Laboratory



Microbiology Laboratory

CPT Codes



This test is not limited to the CPT codes listed.  Others may be added as more testing is necessary and depending on the pathogens isolated (such as MIC's and ID's)


Aerobic Bacterial Culture for rule out of Group A Strep (Streptococcus pyogenes) and Staphylococcus aureus.

Gram Stain is not performed.

Notifiable Result

See Link below for Notifiable Conditions for WA state labs:


See Link below for PDF of phone numbers for Local Health jurisdictions (by County) in WA State:

Reporting Information

Preliminary Report:  18 - 24 hours

Negative Final Report: 48 hours