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Test Code MFBB Culture and Sensitivity, Fluid (In Blood Culture Bottle), Aerobic and Anaerobic

Additional Codes

  MFAB MFNB
Epic Ordering Code LAB2064 LAB2065
NBS code LBC00154  
Service code 23077 23078

 

Specimen Requirements

Submit only one of the following

Preferred  
Green Cap Bottle Orange Cap Bottle

Preferred
Specimen Type: Joint fluid, Pleural fluid, Peritoneal Dialysate (PD) fluid, Ascitic fluid
Container/Tube: BacT/Alert Plus FA (green), BacT/Alert Plus FN (orange)
Volume: Both blood bottles: 10.0 mL of fluid in each bottle
Minimum Volume: 8.0 mL of fluid in each bottle
Collection Instructions: Do not use expired bottles, or bottles within seven days of the expiry date.

Keep BacT/Alert culture bottles at room temperature and in the dark when not in use.

 

Please refer to Anaerobic Culture

 

Acceptable
Specimen Type: Joint fluid, Pleural fluid, Peritoneal Dialysate (PD) fluid, Ascitic fluid
Container/Tube: Bottles from other blood culture systems
Volume: According to manufacturer’s instruction.
Minimum Volume: According to manufacturer’s instruction.
Collection Instructions: According to manufacturer’s instruction.

For bottles from other blood culture systems, manual monitoring of bottles will be performed and result reporting will be delayed.

 

Gram smears will not be performed from the BacT/Alert bottles until the bottle(s) prompt positive. Please send fluid in a sterile bottle if Gram smear is required.

Specimen Stability and Condition

Specimen Type Sterile Fluid
Transport Condition Submit sample to lab immediately (ambient)
Unacceptable Condition

Frozen or refrigerated samples

CSF and urine samples ordered for MFBB

Non-sterile fluid samples  (e.g Bile)

Special instructions

Do not share samples with other requests

Aerobic and anerobic bottle should be sent as a pair

 

Methodology

Automated BacT/Alert System, Conventional culture

Days and Times Performed

Monday through Sunday, TAT 5 - 7 days

Reference Interval

No growth after 5 days.

Testing Laboratory

National University Hospital
Clinical Microbiology, 67724343

Useful For

Diagnosis of bacterial infection.

Update

Last updated 28/7/2026

LOINC Code Information

MFAB 610-6
MFNB 611-4