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ICD-9-CM
8. DISEASES OF THE RESPIRATORY SYSTEM (460-519) Use additional code to identify infectious organism
ACUTE RESPIRATORY INFECTIONS (460-466) Excludes: pneumonia and influenza (
464 Acute laryngitis and tracheitis
464 Acute laryngitis and tracheitis
464.0 Acute laryngitis
464.00-464.01
464.1 Acute tracheitis Tracheitis (acute): NOS, catarrhal, viral Excludes: chronic tracheitis (
464.10-464.11
464.2 Acute laryngotracheitis
464.20-464.21
464.3 Acute epiglottitis Viral epiglottitis Excludes: epiglottitis, chronic (
464.30-464.31
464.5 Supraglottitis, unspecified
464.50-464.51
ICD-9-CM Code 464.4
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