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 |