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UW Hospital and Clinics Lab Test Directory

Test Name: Culture, Bone Marrow, Bacteria and Yeast

Test Code(s): BCBM / HCBCBM

CPT Code(s): 87040; Additional CPT codes may be added for processing, identification, and susceptibility testing.

Methodology: Automated

Days Performed: Daily.

Turnaround Time: Stat: Not available stat.
Routine: Preliminary report: Negative cultures 7 - 24 hours. Final report: Negative cultures 5 days.


Specimen Requirements

Specimen: Bone marrow aspirate

Collection Instructions: Submit bone marrow aspirate or aliquot of bone marrow product in aerobic and anaerobic Bactec bottles. An aerobic bottle only may be submitted as anaerobic infection is rare.

Collection Container: Preferred: Bactec® Blood Culture Bottle

Collection Volume: Preferred: 6 mL

Sample Analyzed: Bone Marrow Aspirate

Volume Required: Preferred: 0.5 mL

Specimen Transport: Transport specimen to UWHC Microbiology Laboratory (B4/231).

Stability: Ambient: 2 days
Refrigerated: Not acceptable
Frozen: Not acceptable


Interpretation

Expected Results:

No growth

Critical Calls: View

Additional Information:

The method used detects aerobic and anaerobic bacteria as well as Candida and Cryptococcus.

 

Filamenteous Fungus blood cultures should be collected when Malassezia furfur or dimorphic fungi, e.g. Histoplasma capsulatum, are suspected.

 

For fastidious bacteria, contact the UWHC Director of Microbiology at (608) 263-8710 to discuss appropriate testing methods. If mycobacteria or cytomegalovirus is suspected, see specific entries.

 

 

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