478 Other diseases of upper respiratory tract 
478.0 Hypertrophy of nasal turbinates convert 478.0 to ICD-10-CM 478.1 Other diseases of nasal cavity and sinuses 
478.11 Nasal mucositis (ulcerative) convert 478.11 to ICD-10-CM
478.19 Other disease of nasal cavity and sinuses convert 478.19 to ICD-10-CM 478.2 Other diseases of pharynx not elsewhere classified 478.20 Unspecified disease of pharynx convert 478.20 to ICD-10-CM 478.21 Cellulitis of pharynx or nasopharynx convert 478.21 to ICD-10-CM 478.22 Parapharyngeal abscess convert 478.22 to ICD-10-CM 478.24 Retropharyngeal abscess convert 478.24 to ICD-10-CM 478.25 Edema of pharynx or nasopharynx convert 478.25 to ICD-10-CM 478.26 Cyst of pharynx or nasopharynx convert 478.26 to ICD-10-CM 478.29 Other diseases of pharynx or nasopharynx convert 478.29 to ICD-10-CM 478.3 Paralysis of vocal cords or larynx 478.30 Unspecified paralysis of vocal cords convert 478.30 to ICD-10-CM 478.31 Partial unilateral paralysis of vocal cords convert 478.31 to ICD-10-CM 478.32 Complete unilateral paralysis of vocal cords convert 478.32 to ICD-10-CM 478.33 Partial bilateral paralysis of vocal cords convert 478.33 to ICD-10-CM 478.34 Complete bilateral paralysis of vocal cords convert 478.34 to ICD-10-CM 478.4 Polyp of vocal cord or larynx convert 478.4 to ICD-10-CM 478.5 Other diseases of vocal cords convert 478.5 to ICD-10-CM 478.6 Edema of larynx convert 478.6 to ICD-10-CM 478.7 Other diseases of larynx not elsewhere classified 478.70 Unspecified disease of larynx convert 478.70 to ICD-10-CM 478.71 Cellulitis and perichondritis of larynx convert 478.71 to ICD-10-CM 478.74 Stenosis of larynx convert 478.74 to ICD-10-CM 478.75 Laryngeal spasm convert 478.75 to ICD-10-CM 478.79 Other diseases of larynx convert 478.79 to ICD-10-CM 478.8 Upper respiratory tract hypersensitivity reaction site unspecified convert 478.8 to ICD-10-CM 478.9 Other and unspecified diseases of upper respiratory tract convert 478.9 to ICD-10-CM