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ICD-10-CM Codes
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K00-K95
Diseases of the digestive system
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K00-K14
Diseases of oral cavity and salivary glands
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K05-
Gingivitis and periodontal diseases
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2018 ICD-10-CM Diagnosis Code K05.21
Aggressive periodontitis, localized
2016 2017 - Deleted Code 2017 - New Code 2018 Non-Billable/Non-Specific Code
- K05.21 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2018 edition of ICD-10-CM K05.21 became effective on October 1, 2017.
- This is the American ICD-10-CM version of K05.21 - other international versions of ICD-10 K05.21 may differ.
The following code(s) above
K05.21 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
K05.21:
- K00-K95
2018 ICD-10-CM Range K00-K95
Diseases of the digestive systemType 2 Excludes- 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)
- K05
ICD-10-CM Diagnosis Code K05
Gingivitis and periodontal diseases
2016 2017 2018 Non-Billable/Non-Specific Code
Use Additional- 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)
- K05.2
ICD-10-CM Diagnosis Code K05.2
Aggressive periodontitis
2016 2017 2018 Non-Billable/Non-Specific Code
Type 1 Excludes- acute apical periodontitis (K04.4)
- periapical abscess (K04.7)
- periapical abscess with sinus (K04.6)
- Aggressive localized periodontitis
Clinical Information
- Localized circumscribed purulent area of inflammation in the periodontal tissue. It is a derivative of marginal periodontitis and commonly associated with suprabony and infrabony pockets and interradicular involvements, in contrast to periapical abscess which is attributable to pulp necrosis.
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): Deleted code
- 2017 (effective 10/1/2016): New code
- 2018 (effective 10/1/2017): No change
Code annotations containing back-references to K05.21:
ICD-10-CM Codes Adjacent To K05.21
K04.99 Other diseases of pulp and periapical tissues
K05 Gingivitis and periodontal diseases
K05.2 Aggressive periodontitis
K05.21
Aggressive periodontitis, localized
K05.22 Aggressive periodontitis, generalized
K05.3 Chronic periodontitis
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
