CA03.0ICD-11 MMS 2026-01
Streptococcal tonsillitis
Description
A disease of the tonsils, caused by an infection with the gram-positive bacteria Streptococcus pyogenes (Streptococcus group A). This disease is characterised by a sore throat, fever, tonsillar exudates, or cervical adenopathy. This disease may also present with odynophagia, dysphagia, otalgia, dry tongue, erythematous, enlarged tonsils, or yellowish white spots on the tonsils. Transmission is commonly by inhalation of infected respiratory secretions or indirect contact. Confirmation is by identification of Streptococcus group A from a throat swab.
Index terms
- Streptococcal tonsillitis
- acute streptococcal tonsillitis
Exclusions from above levels
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CA22.0– Chronic obstructive pulmonary disease with acute exacerbation, unspecified01– Certain infectious or parasitic diseases05– Endocrine, nutritional or metabolic diseases18– Complications of pregnancy, childbirth and the puerperium19– Certain conditions originating in the perinatal period20– Congenital malformations, deformations and chromosomal abnormalities22– Injury, poisoning or certain other consequences of external causes
Sibling codes
Foundation entity
Streptococcal tonsillitis – http://id.who.int/icd/entity/2098808565
Allowed postcoordination axes
Part of: CA03: Acute tonsillitis › 12: Diseases of the respiratory system