K04.4
Acute apical periodontitis of pulpal origin
Coding guidance (WHO 2019)
Acute apical periodontitis NOS
Sibling codes
K04Diseases of pulp and periapical tissuesK04.0PulpitisK04.1Necrosis of pulpK04.2Pulp degenerationK04.3Abnormal hard tissue formation in pulpK04.5Chronic apical periodontitisK04.6Periapical abscess with sinusK04.7Periapical abscess without sinusK04.8Radicular cystK04.9Other and unspecified diseases of pulp and periapical tissues