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ICD-10-CM category

K04: Diseases of pulp and periapical tissues

14 subcodes · 12 billable · Look up any code with the ICD-10 search

Codes under K04 (Diseases of pulp and periapical tissues). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
K04.0Pulpitis—
K04.01Reversible pulpitis✓
K04.1Necrosis of pulp✓
K04.02Irreversible pulpitis✓
K04.2Pulp degeneration✓
K04.3Abnormal hard tissue formation in pulp✓
K04.4Acute apical periodontitis of pulpal origin✓
K04.5Chronic apical periodontitis✓
K04.6Periapical abscess with sinus✓
K04.7Periapical abscess without sinus✓
K04.8Radicular cyst✓
K04.9Other and unspecified diseases of pulp and periapical tissues—
K04.90Unspecified diseases of pulp and periapical tissues✓
K04.99Other diseases of pulp and periapical tissues✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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