AHA Coding Clinic® for ICD-9 - 1992 Fourth Quarter; New/Revised Codes

Brush Biopsy of the Lung

The term brush biopsy of the lung is actually a misnomer. The brush biopsy is of the bronchus, not the lung. The procedure is performed intrabronchially and samples are taken from within the bronchus and not the alveolar or lung tissue. Bronchial and/or lung brushings are not performed as an open procedure(s). This is different from a transbronchial biopsy where the bronchoscope biopsy forceps actually punctures the terminal bronchus and samples of the peribronchial alveoli (lung tissue) are taken. New notes have been added to biopsy code 33.24, Closed [endoscopic] biopsy of bronchus, and code 33.27, Closed...

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