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BACTERIAL CULTURE, ANAEROBIC (CLINICAL SAMPLE)

Synonym(s):
Lab Section Category
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Specimen Required

​For further details, see guidelines on collecting samples. It is important to indicate the source and type of sample sent.
Suitable samples include:
-anaerobic blood culture bottles
-tissue or swab sent in eSwab
-protected BALs
-protected brush specimens
-sterile fluids
All samples must be sent to the laboratory within one hour. 

If both aerobic and anaerobic culture is desired, separate swabs must be sent. Dry swabs must not be sent for anaerobic culture – they have to be put in transport media.

Method

​Culture

Test Results

​Organisms reported; no growth of anaerobes; mixed growth of aerobes and anaerobes

Turnaround Time

Negative: 4 – 8 days
Positive: 4 – 8 days

 Negative Positive 
Blood culture  4 – 5 days 4 – 7 days 
Actinomyces14 days16 days 

Day(s) Test Set up

​Daily

Remarks

Unacceptable samples include dry swabs and samples from sites normally colonised by anaerobic bacteria, e.g. sputum, ETT aspirate, bronchial washings, stool (except for C. difficile culture), voided urine, vaginal swab, superficial material collected from skin surface.

Last Updated - 13 Jun 2025