K05.31
Non-billableChronic periodontitis, localized
Chronic periodontitis, localized
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
Use Additional Code
Additional codes that should follow this code
Child Codes (4)
Related Codes(2)
Also Known As / Clinical Terms(6)
Frequently Asked Questions
What is the ICD-10 code for chronic periodontitis, localized?
The ICD-10-CM code for chronic periodontitis, localized is K05.31. The full clinical description is "Chronic periodontitis, localized". K05.31 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K05.31 mean?
ICD-10-CM code K05.31 represents “Chronic periodontitis, localized”. 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 K05.31 a billable code?
No, K05.31 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under K05.31.
What chapter is K05.31 in?
K05.31 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K05.31?
K05.31 has Excludes1 notes indicating codes that cannot be used together with it, including: chronic apical periodontitis (K04.5).
What are the subcategories under K05.31?
K05.31 has 4 child codes, including: K05.311 (Chronic periodontitis, localized, slight), K05.312 (Chronic periodontitis, localized, moderate), K05.313 (Chronic periodontitis, localized, severe), K05.319 (Chronic periodontitis, localized, unspecified severity).
Are additional codes required with K05.31?
Yes, when using K05.31, also report: ; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What are the UMLS CUIs for K05.31?
K05.31 is linked to 1 UMLS Concept Unique Identifier: C1719497. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K05.31 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic periodontitis, localized 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 K05.31?
There is no direct ICD-11 mapping available for K05.31 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.