Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
Test Name : AFB Culture/Direct Order Code : AFBD
Note: See BLCA for blood and bone marrow collection; Specimen must be collected and received in the Microbiology Lab at Stanford Hospital by 6:00 a.m. Monday through Saturday.
Synonyms: AFB Culture; TB Culture, Mycobacterium Culture
Specimen Type: Tissue, CSF, clear fluids, Bone Marrow core biopsy
Container Type: Sterile container or tube; anaerobic transport tube if anaerobes also ordered; Green-top tube (sodium heparin) or pediatric isolator
Required Volume: >1 mL fluid; >5 mL CSF
Minimum Volume (Pediatric): Up to weight-based volume. Refer to Blood Culture Collection procedure.
Methodology: Broth and solid culture media for fluid, CSF and tissue; Automated blood culture instrumentation and solid media for bone marrow
Standard Run Times: Mon-Sat
Turnaround Time: Smear results are ready by 2:00 pm Monday through Friday; 3:00 pm Saturday. Culture results may take >30 days; call for test status.
Special Handling: Refrigerate samples other than bone marrow unless anaerobe is also ordered on specimen.
CPT Codes: 87115, 87206
Causes For Rejection: Improperly labeled specimen. Improperly completed requisition. Specimen in wrong or leaking container. Inadequate volume, especially CSF.
Department: Microbiology