TB investigations tissue, biospy
Description:
Biopsy, lymph node or tissue for AFB (please specify site) for mycobacteria investigation.
Microscopy (auramine staining for AFB ) and culture (BD MGIT and LJ slopes) is performed in Viapath Analytics St Thomas's Microbiology. Positive cultures are referred to the National Mycobacterium Reference Laboratory for identification and sensitivity testing.
Turn around time microscopy 1-2 days, culture 8-10weeks (8 weeks for a negative culture).
Significant auramine and culture results are telephoned to the ward or clinical team by Microbiology Clinical staff.Microscopy, isolation of Mycobacteria.
Microscopy (auramine staining for AFB ) and culture (BD MGIT and LJ slopes) is performed in Viapath Analytics St Thomas's Microbiology. Positive cultures are referred to the National Mycobacterium Reference Laboratory for identification and sensitivity testing.
Turn around time microscopy 1-2 days, culture 8-10weeks (8 weeks for a negative culture).
Significant auramine and culture results are telephoned to the ward or clinical team by Microbiology Clinical staff.Microscopy, isolation of Mycobacteria.
Clinical details:
Mycobacterial infection, TB, AFB
Synonyms or keywords:
AFB, auramine stain,
Department:
Location:
Sample type and Volume required:
Biopsy for AFB, lymph node for AFB, tissue for AFB.
Please send 2 ml or equivalent portion in a plain sterile universal container.
Specimens received in formol-saline are not suitable for culture.
Please send 2 ml or equivalent portion in a plain sterile universal container.
Specimens received in formol-saline are not suitable for culture.
Turnaround time:
Turn around time microscopy (auramine) 1-2 days, culture 6-10 weeks (6 weeks for a negative culture). Significant auramine and culture results are telephoned to the ward or clinical team by Microbiology Clinical staff.
Storage and transport:
Place labelled sample in a sealed sample bag and send to Central Specimen Reception (CSR).
Contacts:
Infection Sciences Department at St Thomas' Hospital
020 7188 8008
St Thomas' Hospital
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Core opening hours: Monday-Friday 0900-1730
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Core opening hours: Monday-Friday 0900-1730
Laboratory:
Last updated: 01/10/2020
