K04.9 Other and unspecified diseases of pulp and periapical tissuesNon-billable header with 2 child codes.
K04.90 Unspecified diseases of pulp and periapical tissuesK04.99 Other diseases of pulp and periapical tissuesK04.4 Acute apical periodontitis of pulpal originK04.5 Chronic apical periodontitisK04.6 Periapical abscess with sinusK04.7 Periapical abscess without sinusK04.8 Radicular cystK04.9 Other and unspecified diseases of pulp and periapical tissues (this code)K04.90 Unspecified diseases of pulp and periapical tissuesK04.99 Other diseases of pulp and periapical tissues