Billable / Specific Code
ICD-10-CM K05.221 is the diagnosis code for Aggressive periodontitis, generalized, slight. This code falls under the section "Diseases of oral cavity and salivary glands" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where K05.221 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K05.221 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K05.221 is the ICD-10-CM diagnosis code for "Aggressive periodontitis, generalized, slight". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K05.221 is K05.22 ("Aggressive periodontitis, generalized"). K05.221 provides a more specific classification within this category.
K05.221 is located in Section K00-K14 — "Diseases of oral cavity and salivary glands" within Chapter 11 of the ICD-10-CM Tabular List.
Use K05.221 when the patients documented diagnosis matches "Aggressive periodontitis, generalized, slight" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Aggressive periodontitis, generalized, slight is K05.221.
Yes, K05.221 can be used as a primary diagnosis code since it is billable and specific.
K05.221 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K05.221 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.