Peritoneal fluid microscopy & culture

Microbiology

Notes

• May be useful in the investigation of secondary bacterial peritonitis e.g. following intra-abdominal perforation
• See also:
  • Ascitic fluid for spontaneous bacterial peritonitis
  • CAPD fluid

Sample requirements

30mL sterile Universal

• A minimum volume of 1 mL is required, but a larger volume is desirable if possible
• A standard charcoal transport swab may be used if there is insufficient fluid to otherwise collect

Required information

• Relevant clinical details
• Details of abdominal surgery
• Current or recent antibiotic therapy

Storage/transport

Samples should be transported to the laboratory with minimal delay. Refrigerate samples if transport is delayed.

Turnaround time

Microscopy results on day of receipt

Culture results up to 6 days