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Test Code TCS AFB CULTURE & SMEAR

Important Note

Please specify specimen and collection site with order.

Samples must be received within 48 hours of collection.
Cultures with organisms growing are maintained in the laboratory for 90 days after finalization.

When organisms are detected on culture, a preliminary result is available via the computer and the clinician is called with a verbal report.

This test is subject to reflex testing, see Laboratory Reflex Testing Policy, you have the option to decline reflex testing if you believe it is not medically necessary. For first time positive AFB smear a M. tuberculosis PCR will be performed (culture will be performed regardless of AFB smear result).

Additional Codes

Primary ID Epic Code Mayo Access ID
TCS LAB2513 FAH5913

 

Specimen Information

Container Specimen

Temperature

Collect Vol

Submit
Vol

Minimum Vol
Sterile Container *Sputum

Refrigerate

5 mL 5 mL 3 mL
Sterile Container Aspirate

Refrigerate

N/A N/A 3 mL
Sterile Container Respiratory Biopsy

Refrigerate

N/A N/A 3 mL
Sterile Container Tissue

Refrigerate

2 mm 2 mm 1 mm
CSF Tube CSF** Ambient 10 mL 10 mL 3 mL
Sterile Container Fluid Refrigerate 15 mL 15 mL 10 mL
Sterile Container Abscess Refrigerate 3 mL 3 mL 1 mL
Sterile Container *Feces Refrigerate 1 gram 1 gram 1 gram

Samples must be received within 48 hours of collection.

Samples must be sealed in a leakproof container.

*Sputum (3 first morning specimens on different days is recommended, however 3 specimens collected 8 hours part is acceptable as long as one specimen was collected as a first morning specimen, aspirates, biopsies from respiratory tract, lung tissues.

**Pathology approval required for CSF. 10 mL of CSF is recommended if Mycobacteria is strongly suspected.

Test Schedule / Analytical Time / Test Priority

Monday – Friday / Reported when positive. Negative final at 56 days / AFB Smear available STAT

Method

Culture & Smear

CPT(s)

Description CPT Code
AFB Culture 87116
AFB Smear 87206
Concentration for Infectious Agents 87015

Testing includes culture, identification, (additional charges/CPT codes may apply) and if culture results warrant, susceptibility testing (at an additional charge) of all indicated organisms.

Instrumentation

Biomerieux Bact/Alert

Reference Range

Negative: No acid -fast bacilli isolated, final at 8 weeks
 

Section

Microbiology-2

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

Order Code LOINC

Order Code Reporting Name LOINC Code
In process    

 

Result Code LOINC(s)

Result Code Reporting Name LOINC Code
In process