AFB Direct Stain
General Information
- Lab Name
- AFB Direct Stain
- Lab Code
- AFBST
- Epic Ordering
- Direct Exam - Direct AFB Stain
- Description
- For specimen types other than stool, a culture (see AFBHSC and AFBBNM) is always performed with smear because smear alone has an unacceptably low sensitivity for AFB detection.
- Synonyms
- Acid Fast, Acid Fast Smear, Acid Fast Stain, AFB Smear, AFB Stain, MAC, MAI, MTB, Mycobacteria Stain, TB, TB Stain, Tuberculosis Stain
- Components
-
Code Name SDES Specimen Description SREQ Special Requests AFBSTN AFB Stain RPT Report Status
Interpretation
- Method
- Microscopy
- Reference Range
- See individual components
Ordering & Collection
- Specimen Type
- Stool, Bone Marrow
- Collection
-
Stool: 5-10 grams in sterile cup.Note: If stool AFB smear is positive, AFB culture (AFBHC) is logged by requesting laboratory (UW-MT or HMC) and performed by HMC Microbiology.
Bone Marrow: 2 prepared smears; or Wampole ISOLATOR 1.5 tube; or heparin or SPS or EDTA tube for AFB smears only. See AFBBNM for bone marrow AFB CULTURE specimen requirements. - Handling Instructions
- Transport smears in a slide container taped closed and labeled BIOHAZARD. Transport specimens within 1 hour at room temperature or within 24 hours at refrigerator temperature.
- Quantity
-
requested: see above
minimum: 2 smears
Processing
- Processing
- If specimen is not stool or bone marrow, Login: AFBHSC (AFB culture with smear)
Performance
- LIS Dept Code
- Microbiology (MC)
- Performing Location(s)
-
HMC Microbiology
206-744-5858325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
- Frequency
- Daily
- Available STAT?
- Call lab
Billing & Coding
- CPT codes
- 87206
- LOINC
- 654-4
- Interfaced Order Code
- UOW2533