K05.21
Non-billableAggressive periodontitis, localized
Aggressive periodontitis, localized
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Periodontal abscess
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 period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
Additional codes that should follow this code
- code to identify:
- 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)
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- Abscess periodontalC0031085
- Abscess, PeriodontalC0031085
- Abscesses, PeriodontalC0031085
- Lateral alveolar abscessC0031085
- Lateral periodontal abscessC0031085
- Parietal abscess of toothC0031085
- Parodontal abscessC0031085
- Peridental abscessC0031085
- Periodontal AbscessC0031085
- Periodontal AbscessesC0031085
- Periodontal abscessC0031085
- Periodontal abscess (disorder)C0031085
- Aggressive periodontitis, localizedC1719494
Frequently Asked Questions
What is the ICD-10 code for aggressive periodontitis, localized?
The ICD-10-CM code for aggressive periodontitis, localized is K05.21. The full clinical description is "Aggressive periodontitis, localized". K05.21 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K05.21 mean?
ICD-10-CM code K05.21 represents "Aggressive 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 K05.21 a billable code?
No, K05.21 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 K05.21.
What chapter is K05.21 in?
K05.21 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K05.21?
K05.21 has Excludes1 notes indicating codes that cannot be used together with it, including: acute apical periodontitis (K04.4); periapical abscess (K04.7); periapical abscess with sinus (K04.6).
What are the subcategories under K05.21?
K05.21 has 4 child codes, including: K05.211 (Aggressive periodontitis, localized, slight), K05.212 (Aggressive periodontitis, localized, moderate), K05.213 (Aggressive periodontitis, localized, severe), K05.219 (Aggressive periodontitis, localized, unspecified severity).
Are additional codes required with K05.21?
Yes, when using K05.21 you should also code: code to identify:; 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 K05.21?
K05.21 is linked to 2 UMLS Concept Unique Identifiers: C0031085, C1719494. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.