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Test Code AFBM AFB Bone Marrow Culture

Important Note

AFB culture only. No stain.

Infectious

Specimen and Container/Tube

Specimen Type: Bone marrow

Preferred Specimen: BACTEC Myco/F Lytic bottle

Other Acceptable specimens: Bone marrow received in any other transport can only be processed with the approval of supervisor, manager, or director

Volume

Preferred Volume: 5 mL

Specimen Stability

Storage Temperature

Stability

Room temperature

(20 - 25°C)

24 hours

Refrigerated

(2 - 10°C)

not acceptable

Frozen

(-20°C)

not acceptable

Collection Instructions

Specimen Collection: Sterile percutaneous aspiration.
Specimen Transport: Immediate, no refrigeration.

Specimen Handling and Transport Instructions

UCMC Onsite Instructions: Collect specimen per standard collection procedure and send to laboratory immediately. 

 

UCMC Offsite and UC MedLab Outreach Instructions: Collect specimen per standard collection procedure and send to laboratory immediately. 

Rejection Criteria

  • Common specimen rejected situations include: incorrect specimen type, insufficient volume, incorrect collection container missing or incomplete specimen identifiers, incorrect specimen transport, or specimens outside stability limits. 
  • Frozen or refrigerated specimens will be rejected.

Reference Values

 

Test

Age

Sex

Reference Range

Culture

All

All

No Growth

Critical Values

Test

Result

Culture

Growth

Turnaround Time

Turnaround times are relative to the time the specimen is received in the test laboratory. 

STAT Turnaround Time: not available

Routine Turnaround Time: up to 6 weeks

Testing Schedule: Monday - Sunday

Clinical Indications

  • Infection of Mycobacteria species

CPT Codes

87116

LOINC Codes

30687116

Methodology

Automated culture method

Last Review Date

08/15/2025