Test Code AFB AFB Smear Only
Patient Preparation
No special patient preparation required
Special Collection Instructions
Swabs are unacceptable
Collection Method
Follow appropriate collection procedures
Minimum Volume
Specimen | Minimum Volume |
---|---|
CSF | 1 mL |
Other | 1.5 mL |
Container
Sterile CSF Tube
OR
Sterile Cup
Acceptable Specimens
- Abscess
- Aspirate
- Biopsy
- Bone
- Bone Marrow
- CSF
- Ear
- Empyema
- Exudate
- Fistula
- Fluid
- Genital
- Hematoma
- Joint
- Other
- Respiratory
- Stool
- Tissue
- Urine
Reference or Target Ranges
Negative
Reportable Units
Positive/Negative
Critical Value
Positive
Reasons for Rejection
Hemolysis Threshold | N/A |
Icterus Threshold | N/A |
Lipemia Threshold | N/A |
Other | QNS, contaminated, improperly labled Inappropriate specimens: Swabs, Eye, and Hardware. See “Microbiology Criteria for Specimen Rejection Guideline” for further information. |
Specimen Stability
Specimen | Stability |
---|---|
Sputum, Trach Aspirate, Bronch Wash | Room Temperature: 2 hours Refrigerated: 24 hours |
Urine | Refrigerated: 2 hours |
CSF | Room Temperature: 2 hours Refrigerated: 8 hours |
Body Fluids, Ear, Genital, Stool, Tissue, Exudates | Room Temperature: 2 hours Refrigerated: 8 hours |
Gastric Fluid | Room Temperature: 15 minutes |
Performance Information
Days and Time Performed | Daily |
Expected Turn Around Time | Within 36 hours |
Stat Availabilty | No |
Performing Bench | Microbiology |
Methodology/Method Description | Microscopic |
CPT Codes
87206