K04.5
BillableChronic apical periodontitis
Chronic apical periodontitis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Apical or periapical granuloma
- Apical periodontitis NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
Related Codes(9)
K04.0Pulpitis
K04.1Necrosis of pulp
K04.2Pulp degeneration
K04.3Abnormal hard tissue formation in pulp
K04.4Acute apical periodontitis of pulpal origin
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(82)
SNOMED CT
- Apical periodontitis39273001
- Apical granuloma81407003
- Dental granuloma81407003
- Periapical granuloma81407003
- Phoenix abscess109606004
- Recrudescent abscess109606004
- Dental peri-implantitis699422003
- Inflammation of gingival and periodontal tissues surrounding dental implant699422003
- Peri-implantitis699422003
- Asymptomatic periapical periodontitis718052004
- CAP - chronic apical periodontitis718052004
- Chronic apical periodontitis718052004
- Chronic periapical periodontitis718052004
- Chronic periradicular periodontitis718052004
- AAP - acute apical periodontitis718053009
- Acute apical periodontitis of pulpal origin718053009
- Acute periapical periodontitis718053009
- Acute periradicular periodontitis718053009
- Symptomatic apical periodontitis718053009
- Symptomatic periapical periodontitis718053009
- Apical peri-implantitis1230140003
- Inflammatory lesion of periapical tissue surrounding dental implant1230140003
- Inflammatory periapical implant lesion1230140003
- Retrograde peri-implantitis1230140003
UMLS
- Apical PeriodontitidesC0031030
- Apical PeriodontitisC0031030
- Apical periodontitisC0031030
- Apical periodontitis (disorder)C0031030
- Apical periodontitis NOSC0031030
- Periapical PeriodontitidesC0031030
- Periapical PeriodontitisC0031030
- Periapical periodontitisC0031030
- Periodontitides, ApicalC0031030
- Periodontitides, PeriapicalC0031030
- Periodontitis, ApicalC0031030
- Periodontitis, PeriapicalC0031030
- apical periodontitisC0031030
- periapical periodontitisC0031030
- Apical or periapical granulomaC0865869
- Asymptomatic periapical periodontitisC0392492
- Asymptomatic periapical periodontitis (disorder)C0392492
- CAP - chronic apical periodontitisC0392492
- Chronic apical periodontitisC0392492
- Chronic periapical periodontitisC0392492
- Chronic periradicular periodontitisC0392492
- chronic apical periodontitisC0392492
- chronic periodontitis apicalC0392492
Clinical Terms
- Chronic periapical periodontitis
- Acute periradicular periodontitis
- Periodontitides, Periapical
- Periodontitis, Apical
- Apical periodontitis (disorder)
- Inflammatory periapical implant lesion
- Apical Periodontitides
- Asymptomatic periapical periodontitis
- AAP - acute apical periodontitis
- Apical periodontitis
- Inflammation of gingival and periodontal tissues surrounding dental implant
- Recrudescent abscess
- Retrograde peri-implantitis
- Periodontitis, Periapical
- Apical or periapical granuloma
- Periapical granuloma
- Phoenix abscess
- Peri-implantitis
- Dental granuloma
- Periapical Periodontitides
- chronic periodontitis apical
- Apical periodontitis NOS
- Asymptomatic periapical periodontitis (disorder)
- Symptomatic periapical periodontitis
- Dental peri-implantitis
- Periapical Periodontitis
- CAP - chronic apical periodontitis
- Chronic periradicular periodontitis
- Inflammatory lesion of periapical tissue surrounding dental implant
- Apical granuloma
- Acute periapical periodontitis
- Periodontitides, Apical
- Acute apical periodontitis of pulpal origin
- Apical peri-implantitis
- Symptomatic apical periodontitis
Frequently Asked Questions
What is the ICD-10 code for chronic apical periodontitis?
The ICD-10-CM code for chronic apical periodontitis is K04.5. The full clinical description is "Chronic apical periodontitis". K04.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K04.5 mean?
ICD-10-CM code K04.5 represents “Chronic apical periodontitis”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K04.5 a billable code?
Yes, K04.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K04.5 in?
K04.5 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K04.5?
K04.5 has Excludes1 notes indicating codes that cannot be used together with it, including: chronic periodontitis (K05.3-).
What SNOMED CT codes does K04.5 map to?
K04.5 maps to 7 SNOMED CT concepts: 718053009, 81407003, 1230140003, 39273001, 718052004, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K04.5?
K04.5 is linked to 3 UMLS Concept Unique Identifiers: C0031030, C0865869, C0392492. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K04.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic apical periodontitis 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 K04.5?
K04.5 maps to the ICD-11 code: DA09.71 (Chronic apical periodontitis).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.