Test Directory

Acid-Fast Bacteria Stain

Print this page

Updated Test Information:

Test Description
Acid-Fast Bacteria Stain
Synonym(s)

Kinyoun's Acid Fast Bacteria, AFB

Test ID

AFB

Specimen Type

Formalin-fixed, paraffin-embedded tissue blocks (FFPE). If tissue blocks are not available, unstained slides are acceptable (please submit 1–2 slides per antibody to be tested, cuts must be 4 microns thick).

Specimen Collection / Processing Instructions

Tissue removed during a surgical procedure and placed in 10% NBF soon after removal from the patient. Appropriate tissue for requested staining.

Required Information

Complete the Incyte Diagnostics requisition with the patient's demographics and relevant clinical history.

Stability

Ambient: Indefinite

Unacceptable Specimen Conditions

Slides or paraffin blocks with no tissue remaining. Samples fixed in fixatives other than 10% neutral buffered formalin. Paraffin blocks that have been overheated or frozen.

Department (code)

Histology

Methodology

Special Stain, Ventana BenchMark Special Stainer (Spokane, Bellevue)


Special Stain, DAKO Artisan (Richland)

Estimated TAT

12 business days from receipt

Testing Schedule

Monday–Saturday

Retention

Blocks: 10 years
Slides: 10 years

CPT Code(s)

88312