K04 - Diseases of pulp and periapical tissues
K04.0 - Pulpitis
K04.1 - Necrosis of pulp
K04.2 - Pulp degeneration
K04.3 - Abnormal hard tissue formation in pulp
K04.4 - Acute apical periodontitis of pulpal origin
K04.5 - Chronic apical periodontitis
K04.6 - Periapical abscess with sinus
K04.7 - Periapical abscess without sinus
K04.8 - Radicular cyst
K04.9 - Other and unspecified diseases of pulp and periapical tissues
K04.90 - Unspecified diseases of pulp and periapical tissues
K04.99 - Other diseases of pulp and periapical tissues