463 Acute tonsillitis
Tonsillitis (acute):
NOS
follicular
gangrenous
infective
pneumococcal
septic
staphylococcal
suppurative
ulcerative
viral
Excludes:
chronic tonsillitis (474.0)
hypertrophy of tonsils (474.1)
peritonsillar abscess [quinsy] (475)
sore throat:
acute or NOS (462)
septic (034.0)
streptococcal tonsillitis (034.0)