Infectious Disease Compendium
Hoarseness and often a cough.
Adenovirus, Chlamydia pneumoniae, Coronavirus, Group A streptococcus, Human metapneumovirus, Influenza, Mycoplasma pneumoniae, Parainfluenza, Rhinovirus are the common causes.
In adults Moraxella is the most commonly isolated organism.
There can be odd causes: fungi, Tb, odd bacteria.
Mostly symptomatic unless an odd organism is isolated.
ICD9 Codes (Soon to be supplanted by ICD10)
Laryngitis 464.00; chronic 476.0; diphtheritic (membranous) 032.3; Hemophilus influenzae 464.00 with obstruction 464.01; hypertrophic 476.0; influenza 487.1 with obstruction 464.01; influenzal 487.1; streptococcal 034.0; syphilitic 095.8; tuberculous 012.3; Vincent's 101.