ICD-10-CM
ICD-10 code for Necrosis, necrotic (ischemic) dental pulp: K04.1
The ICD-10-CM index points "Necrosis, necrotic (ischemic) dental pulp" to K04.1, Necrosis of pulp. K04.1 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in K04
A header groups codes and is not billed. A billable code is one you can report.
- K04Diseases of pulp and periapical tissuesHeader
- K04.0PulpitisHeader
- K04.01Reversible pulpitisBillable
- K04.02Irreversible pulpitisBillable
- K04.1Necrosis of pulpBillable
- K04.2Pulp degenerationBillable
- K04.3Abnormal hard tissue formation in pulpBillable
- K04.4Acute apical periodontitis of pulpal originBillable
- K04.5Chronic apical periodontitisBillable
- K04.6Periapical abscess with sinusBillable
- K04.7Periapical abscess without sinusBillable
- K04.8Radicular cystBillable
- K04.9Other and unspecified diseases of pulp and periapical tissuesHeader
- K04.90Unspecified diseases of pulp and periapical tissuesBillable
- K04.99Other diseases of pulp and periapical tissuesBillable
Related conditions
Related pages
- K04.1 code detailsNotes, nearby codes, CMS-HCC group
- Category K04Every code under it
- Chapter 11Diseases of the digestive system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Necrosis, necrotic (ischemic) dental pulp?
The ICD-10-CM index points "Necrosis, necrotic (ischemic) dental pulp" to K04.1, Necrosis of pulp. K04.1 is a billable code.
Is K04.1 billable?
Yes. K04.1 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is K04.1 in?
Chapter 11. Diseases of the digestive system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.