ICD-9-CM Vol. 3 Procedure Codes →
6. OPERATIONS ON THE RESPIRATORY SYSTEM (30-34) →
section notes
31 Other operations on larynx and trachea →
section notes
31.21‑31.29   31.2 Permanent tracheostomy
31.41‑31.49   31.4 Diagnostic procedures on larynx and trachea
31.61‑31.69   31.6 Repair of larynx
31.0   Injection of larynx
31.1   Temporary tracheostomy
31.3   Incis larynx trachea NEC
31.5   Local destruc trach les
31.71‑31.79   31.7 Repair and plastic operations on trachea
31.91‑31.99   31.9 Other operations on larynx and trachea
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