K04
Header — not billableDiseases of pulp and periapical tissues
The ICD-10 code for diseases of pulp and periapical tissues is K04.
K04 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under K04
- K04.0Pulpitisnon-billable header
- K04.1Necrosis of pulp
- 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 tissuesnon-billable header
Related codes in this category
- K00Disorders of tooth development and eruptionnon-billable header
- K01Embedded and impacted teethnon-billable header
- K02Dental cariesnon-billable header
- K03Other diseases of hard tissues of teethnon-billable header
- K05Gingivitis and periodontal diseasesnon-billable header
- K06Other disorders of gingiva and edentulous alveolar ridgenon-billable header
- K08Other disorders of teeth and supporting structuresnon-billable header
- K09Cysts of oral region, not elsewhere classifiednon-billable header
- K11Diseases of salivary glandsnon-billable header
- K12Stomatitis and related lesionsnon-billable header
- K13Other diseases of lip and oral mucosanon-billable header
- K14Diseases of tonguenon-billable header
- K04Diseases of pulp and periapical tissuesnon-billable header