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Acid Fast Cystic Fibrosis Sputum
AF CFSPT
Synonyms
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Allscripts (AEHR) Order Name
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Acid Fast Cystic Fibrosis Sputum
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Sunrise Clinical Manager (SCM) Order Name
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Culture - Acid Fast - Sputum, Cystic Fibrosis
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EPIC Order Name
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Mycobacterial (AFB) Smear and Culture, Cystic Fibrosis
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Clinical Info
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Specimen Type
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Sputum
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Container
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AFB Coll Kit
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Collection Instructions
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For diagnostic purposes, all persons suspected of having TB disease at any site should have sputum collected for TB culture. At least three consecutive sputum specimens are needed, each collected in 8- to 24-hour intervals, with at least one being an early morning specimen.
1. Collect 5-8 mL (minimum volume: 3 mL) of a first-morning “deep cough” sputum specimen into a Sputum Collection Kit.
2. Instruct patient to brush his/her teeth and/or rinse mouth well with water to minimize contaminating specimen with food particles, mouthwash, or oral drugs.
3. Have patient remove dentures.
4. Instruct patient to take a deep breath, hold it momentarily, then cough deeply and vigorously into Sputum Collection Kit.
5. Remove the funnel and discard. Using the cap provided, securly close the 50 ml conical tube.
5. Label the 50 ml conical tube with patient’s name (first and last), date and actual time of collection, and type of specimen.
6. Send specimen refrigerated.
7. Maintain sterility and forward promptly.
Note: Specimen source is required on request form for processing.
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Transport Instructions
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Specimen Stability
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Up to 7 days at 2-8C (refrigerated)
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Methodology
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Mycobacteriology Culture
The specimen is processed and an acid fast smear is performed to detect acid-fast bacilli. The first smear-positive sputum specimen from a patient is automatically reflexed to a PCR test to rapidly detect M. tuberculosis complex and rifampin resistance. All specimens (smear and PCR positive or negative) are cultured in broth and solid media for up to 6 weeks for the detection and identification of M. tuberculosis complex and nontuberculous mycobacteria.
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Days Performed
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Performing Laboratory
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Northwell Health Laboratories
If culture is positive, additional charge(s)/CPT code(s) may apply for identification
and/or antibiotic susceptibilities performed when appropriate.
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CPT
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87015,87116,87206
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PDM
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1762067
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Result Interpretation
No acid-fast bacilli isolated
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Forms
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