K04
Non-billableDiseases of pulp and periapical tissues
Diseases of pulp and periapical tissues
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (10)
K04.0Pulpitis
K04.1Necrosis of pulp
K04.2Pulp degeneration
K04.3Abnormal hard tissue formation in pulp
K04.4Acute apical periodontitis of pulpal origin
K04.5Chronic apical periodontitis
K04.6Periapical abscess with sinus
K04.7Periapical abscess without sinus
K04.8Radicular cyst
K04.9Other and unsp diseases of pulp and periapical tissues
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for diseases of pulp and periapical tissues?
The ICD-10-CM code for diseases of pulp and periapical tissues is K04. The full clinical description is "Diseases of pulp and periapical tissues". K04 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K04 mean?
ICD-10-CM code K04 represents “Diseases of pulp and periapical tissues”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K04 a billable code?
No, K04 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under K04.
What chapter is K04 in?
K04 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K04?
K04 has 10 child codes, including: K04.0 (Pulpitis), K04.1 (Necrosis of pulp), K04.2 (Pulp degeneration), K04.3 (Abnormal hard tissue formation in pulp), and 6 more.
What are the UMLS CUIs for K04?
K04 is linked to 1 UMLS Concept Unique Identifier: C0155933. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K04 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like diseases of pulp and periapical tissues affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K04?
K04 maps to the ICD-11 code: DA09.Z (Diseases of pulp or periapical tissues, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.