K04.0

Non-Billable
ChapterK00–K95
Ranksubcategory
Official Description

Pulpitis

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes
  • Acute pulpitis
  • Chronic (hyperplastic) (ulcerative) pulpitis
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
K04.0Pulpitis
K04.01Reversible pulpitis
K04.02Irreversible pulpitis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K04.0:

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K04.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

21 raw paths
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)3 unique routes
pulp, pulpal (dental)→K04.0(3 variants)
irreversible→K04.0
reversible→K04.0
Endodontitis3 unique routes
Direct index entry→K04.0
irreversible→K04.0
reversible→K04.0
Infection, infected, infective (opportunistic)3 unique routes
tooth, teeth(3 variants)
pulp→K04.0(3 variants)
irreversible→K04.0
reversible→K04.0
Odontomyelitis (closed) (open)3 unique routes
Direct index entry→K04.0
irreversible→K04.0
reversible→K04.0
Polyp, polypus6 unique routes
dental→K04.0(3 variants)
irreversible→K04.0
reversible→K04.0
pulpal (dental)→K04.0(3 variants)
irreversible→K04.0
reversible→K04.0
Pulpitis (acute) (anachoretic) (chronic) (hyperplastic) (putrescent) (suppurative) (ulcerative)3 unique routes
Direct index entry→K04.0
irreversible→K04.0
reversible→K04.0

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Pulpitis.

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