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Labcorp Oklahoma, Inc.
Test Directory


Index:

Acid Fast Smear LC 008618

Order Name C AF ST LC
Test Number: 6200101
Revision Date 08/04/2026
Test Name Methodology LOINC Code
Acid Fast Smear LC 008618
Microscopy  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred See Instructions See Instructions See Instructions Refrigerated
Alternate 1 5-10 mL (2) Respiratory specimen Sputum Collection Container Room Temperature
Instructions Sputum - Refrigerated: Sputum, bronchial washing/lavage, tissue, body fluid, stool, skin, urine, cerebrospinal fluid, bone marrow, microscope slide prepared during specimen collection procedures for bronchial brushes only.
Container: Sterile container(1) with tight screw-cap seal, green-top (sodium heparin) or Isolator (TM) for bone marrow; sterile container or a securely sealed slide holder for pre-inoculated microscope slide (bronchial brush ONLY). Note: Please refer to the Microbiology specimen collection chart.
Volume: 5-10 mL sputum, bronchoalveolar lavage (BAL) or other respiratory specimen; 10 mL whole blood; 2 cm^3 tissue; 5 mL CSF; 5-10 mL bone marrow (or as much as possible); 5-10 mL body fluid (pleural, pericardial, chronic peritoneal dialysate); 5-10 mL gastric aspirate/lavage (neutralized to pH 7 with sodium carbonate within 4 hours of collection); 20-40 mL urine (first morning specimen); 5 mL or 1 g stool; biopsy of skin
Minimum volume: 2 mL (respiratory specimen, body fluid, CSF, gastric aspirate/lavage); 20 mL urine.
Stability: Refrigerated 7 days
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 3-5 Days  
Clinical Use Fluorescent stain to detect presence of Mycobacteria sp. 
Performing Labcorp Test Code 008618 
Notes Methodology: Fluorescent Stain (Direct Kinyoun stain for bone marrow ONLY).

Link to test Changes for this assay Effective 08/03/2026
08-03-2026_LiveWire.pdf (Updated version)
 
CPT Code(s) CPT 87206 (With possible Reflexes to multiples of 87176, 87015)
Lab Section Reference Lab