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Acid Fast Bacilli Culture and Smear, Progressive, TB/MAI Probe
Test Code15522
CPT Codes
87015, 87116, 87206
Includes
An additional charge for Concentration will be performed as appropriate (CPT code: 87015).
If positive, probes for the identification of MTB and for MAI will be performed at an additional charge (CPT code: 87149 per probe). If both probes are negative, identification by sequencing will be performed at an additional charge (CPT code: 87153).
If TB is isolated for the first time or three months after the first isolate from a patient, susceptibilities will be performed at an additional charge (CPT code: 87190 per drug).
If MAI is isolated, susceptibilities will be performed at an additional charge (CPT code: 87186).
If positive, probes for the identification of MTB and for MAI will be performed at an additional charge (CPT code: 87149 per probe). If both probes are negative, identification by sequencing will be performed at an additional charge (CPT code: 87153).
If TB is isolated for the first time or three months after the first isolate from a patient, susceptibilities will be performed at an additional charge (CPT code: 87190 per drug).
If MAI is isolated, susceptibilities will be performed at an additional charge (CPT code: 87186).
Preferred Specimen
10 mL body fluids, lower respiratory tract specimens or gastric lavage collected in a sterile, leak-proof container or
2 mL CSF collected in a sterile, leak-proof container or
2 g fresh (unfixed) tissue collected in a sterile, leak-proof container or
40 mL urine collected in a sterile, leak-proof container or
1 mL or 1 swab wound, exudates, aspirates, lesion material or ocular specimens collected in a sterile, leak-proof container
2 mL CSF collected in a sterile, leak-proof container or
2 g fresh (unfixed) tissue collected in a sterile, leak-proof container or
40 mL urine collected in a sterile, leak-proof container or
1 mL or 1 swab wound, exudates, aspirates, lesion material or ocular specimens collected in a sterile, leak-proof container
Minimum Volume
2 mL body fluids, lower respiratory tract specimens or gastric lavage • 1 mL CSF • 1 gram fresh (unfixed) tissue • 20 mL urine • 1 mL or 1 swab wound, exudates, aspirates, lesion material or ocular specimens
Other Acceptable Specimens
Amies or Stuarts liquid transport swab, Amies or Stuarts gel transport swab, Amies liquid elution swab (Eswab), or equivalent (only if biopsy or aspirate is not available) • Samples in anaerobic transport medium, ONLY if it is an irreplaceable sample type • Throat/oral/sputum swabs from cystic-fibrosis patients
Instructions
See the alphabetical listing in the Microbiology section of Specimen Collection and Handling for further instructions.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Not established
Refrigerated: 5 days
Frozen: Unacceptable
Refrigerated: 5 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen in formalin or alcohol • Leaked specimen • 24-hour sputum or urine • Urine in preservative
Methodology
Culture • Smear
Setup Schedule
Set up: Daily; Report available: 6-8 weeks
Reference Range
No acid-fast bacilli isolated/detected
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
