K04.01 – Reversible pulpitis
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K04.01
- Code
K04.01(claims format:K0401)- Description
- Reversible pulpitis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K00-K14 Diseases of oral cavity and salivary glands
- Parent codes
- K04 › K04.0
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K04.0 – Pulpitis
Applicable to:
- Acute pulpitis
- Chronic (hyperplastic) (ulcerative) pulpitis
Index terms for K04.01
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Pulpitis
- Endodontitis
- Odontomyelitis
- Pulpitis, reversible
- Abscess, pulp, pulpal
- Polyp, polypus, dental
- Polyp, polypus, pulpal
- Endodontitis, reversible
- Odontomyelitis, reversible
- Abscess, pulp, pulpal, reversible
- Polyp, polypus, dental, reversible
- Polyp, polypus, pulpal, reversible
- Infection, infected, infective, tooth, teeth, pulp
- Infection, infected, infective, tooth, teeth, pulp, reversible
Related codes in K04.0
- K04.02 – Irreversible pulpitisBillable
Frequently asked questions
What is ICD-10 code K04.01?
K04.01 is the ICD-10-CM code for reversible pulpitis, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K04.01 a billable code?
Yes. K04.01 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K04.01 belong to?
It belongs to category K04 – Diseases of pulp and periapical tissues.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.