K04.5Billable
Chronic apical periodontitis
- Chapter
- 11. Diseases of the digestive system
- Category
- K04
- Effective date
- October 1, 2026
Related codes in category K04
K04Diseases of pulp and periapical tissuesK04.0PulpitisK04.01Reversible pulpitisYesK04.02Irreversible pulpitisYesK04.1Necrosis of pulpYesK04.2Pulp degenerationYesK04.3Abnormal hard tissue formation in pulpYesK04.4Acute apical periodontitis of pulpal originYesK04.6Periapical abscess with sinusYesK04.7Periapical abscess without sinusYesK04.8Radicular cystYesK04.9Other and unsp diseases of pulp and periapical tissues
Frequently asked questions
What is ICD-10 code K04.5?
K04.5 is an ICD-10-CM diagnosis code for Chronic apical periodontitis.
Is K04.5 a billable code?
Yes. K04.5 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is K04.5 in?
K04.5 falls under Chapter 11: Diseases of the digestive system.
When did K04.5 become effective?
K04.5 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to K04.5?
K04.5 belongs to category K04, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.