| J350 | Chronic tonsillitis and adenoiditis |
| J3501 | Chronic tonsillitis |
| J3502 | Chronic adenoiditis |
| J3503 | Chronic tonsillitis and adenoiditis |
| J351 | Hypertrophy of tonsils |
| J352 | Hypertrophy of adenoids |
| J353 | Hypertrophy of tonsils with hypertrophy of adenoids |
| J358 | Other chronic diseases of tonsils and adenoids |
| J359 | Chronic disease of tonsils and adenoids, unspecified |
| J36 | Peritonsillar abscess |
| J37 | Chronic laryngitis and laryngotracheitis |
| J370 | Chronic laryngitis |
| J371 | Chronic laryngotracheitis |
| J38 | Diseases of vocal cords and larynx, not elsewhere classified Diseases of vocal cords and larynx, not elsewhere classified |
| J380 | Paralysis of vocal cords and larynx |
| J3800 | Paralysis of vocal cords and larynx, unspecified |
| J3801 | Paralysis of vocal cords and larynx, unilateral |
| J3802 | Paralysis of vocal cords and larynx, bilateral |
| J381 | Polyp of vocal cord and larynx |
| J382 | Nodules of vocal cords |
| J383 | Other diseases of vocal cords |
| J384 | Edema of larynx |
| J385 | Laryngeal spasm |
| J386 | Stenosis of larynx |
| J387 | Other diseases of larynx |
| J39 | Other diseases of upper respiratory tract |
| J390 | Retropharyngeal and parapharyngeal abscess |
| J391 | Other abscess of pharynx |
| J392 | Other diseases of pharynx |
| J393 | Upper respiratory tract hypersensitivity reaction, site unsp Upper respiratory tract hypersensitivity reaction, site unspecified |
| J398 | Other specified diseases of upper respiratory tract |
| J399 | Disease of upper respiratory tract, unspecified |
| J40 | Bronchitis, not specified as acute or chronic |
| J41 | Simple and mucopurulent chronic bronchitis |
| J410 | Simple chronic bronchitis |
| J411 | Mucopurulent chronic bronchitis |
| J418 | Mixed simple and mucopurulent chronic bronchitis |
| J42 | Unspecified chronic bronchitis |
| J43 | Emphysema |
| J430 | Unilateral pulmonary emphysema [MacLeod's syndrome] |
| J431 | Panlobular emphysema |
| J432 | Centrilobular emphysema |
| J438 | Other emphysema |
| J439 | Emphysema, unspecified |
| J44 | Other chronic obstructive pulmonary disease |
| J440 | Chr obstructive pulmon disease with (acute) lower resp infct Chronic obstructive pulmonary disease with (acute) lower respiratory infection |
| J441 | Chronic obstructive pulmonary disease w (acute) exacerbation Chronic obstructive pulmonary disease with (acute) exacerbation |
| J448 | Other specified chronic obstructive pulmonary disease |
| J4481 | Bronchiolitis obliterans and bronchiolitis obliterans syndrome |
| J4489 | Other specified chronic obstructive pulmonary disease |