Sign in →

Test Code C Ur Byst Urine Culture plus Yeast Screen

Biohazard Infectious

Clinical System Name

Culture, Urine with Screen for Yeast


Bagged urine

Clean Catch

Indwelling Catheter

Foley Catheter

Direct Catheter

Midstream Void

Bladder tap urine

Cystoscopy urine


Semi-quantitative culture for Aerobic bacteria and yeast. Gram stain is not performed, unless specifically requested.

Sample Requirements

Specimen: Urine sample should be collected per "Policies and Procedures: Urine Specimen Collection: Routine, Clean Void, Bag, Catheter" on CHILD. Send sample to Laboratory within 2 hours of collection (preferred) or refrigerate for up to 24 hours.


Container: Sterile Container


Preferred Vol: >1.0 ml

Minimum Vol: 0.5 ml



Processing Instructions

CPA: If ONLY Urine culture is ordered, send sample to Microbiology for processing . If UA is ordered, the sample should be sent to the UA bench for testing.


Off-site collection:  Off-site Children's Lab locations should set up the Bacterial portion of the culture (BAP/Mac plate). After set up, refrigerate remaining sample until and during transport to SCH Lab. Yeast culture set up performed by SCH Micro.


Other off-site locations, refrigerate sample until and during transport to SCH Lab.


Temp Time
Room temp ≤2 hours
Refrigerated 24 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 Stain is only performed upon request.

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)

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