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J313-char group

Chronic rhinitis, nasopharyngitis and pharyngitis

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

  • ●Avoid — more specific 4-5 char codes exist (see below)

Codes within J31

J31.0Chronic rhinitisJ31.1Chronic nasopharyngitisJ31.2Chronic pharyngitis