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Culture, Acid Fast


TEST DIRECTORY
Test Name
Culture, Acid Fast
Alternate Names
mtb culture
mycobacteria culture
tb culture
tuberculosis culture
Test Code
CUL_AFB
SPECIMEN REQUIREMENTS
Specimen Requirements
10 mL sputum ONLY.
If the specimen is tissue or body fluid, order Acid Fast Smear and Culture (CULAFBSM).
Supplies for Submission
Sterile Container (1)
Specimen Collection
  • Submit primary specimen in a sterile, sealed container.
    Indicate source.
    DO NOT submit swabs.
  • Refrigerate and transport on a cold pack within 24 hours of collection.
  • For first morning sputum, collect specimens on 3 consecutive days for optimal recovery.
Storage Requirements
Critical Refrigerated.
Specimens are stable if refrigerated for 5 days.
Causes for Rejections
Specimens with the following conditions are not accepted:
  • frozen
  • room temperature
  • submitted in EDTA, viral transport media, formalin, or other fixatives
  • submitted in non-sterile container or tissue paper
  • contaminated with tap water
  • pooled
  • swabs
GENERAL AND TECHNICAL INFORMATION
Turn Around Time
66 days
CPT Code
87116, 87015