K04.1
ICD-10BillableNecrosis of pulp
Official ICD-10-CM descriptor (FY2026)
Necrosis of pulp
K04.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Pulpal gangrene
Related codes in K04
- K04.0Pulpitiscategory
- 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 unsp diseases of pulp and periapical tissuescategory
Where this code sits
- Parent code
- K04
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.