K04.3

Billable
ChapterK00–K95
Ranksubcategory
Official Description

Abnormal hard tissue formation in pulp

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes
  • Secondary or irregular dentine
General instructions are available for the parent sections:
View CH11 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K00-K14Diseases of oral cavity and salivary glands (K00-K14)
K04Diseases of pulp and periapical tissues
K04.3Abnormal hard tissue formation in pulp

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K04.3:

chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K04.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths
Abnormal, abnormality, abnormalities1 unique routes
hard tissue formation in pulp (dental)→K04.3
Anomaly, anomalous (congenital) (unspecified type)1 unique routes
hard tissue formation in pulp→K04.3
Dentin2 unique routes
irregular (in pulp)→K04.3
secondary (in pulp)→K04.3
Irregular, irregularity1 unique routes
dentin (in pulp)→K04.3
Secondary1 unique routes
dentin (in pulp)→K04.3

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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