Billable / Specific Code
ICD-10-CM J35.03 is the diagnosis code for Chronic tonsillitis and adenoiditis. This code falls under the section "Other diseases of upper respiratory tract" within Chapter 10 — Diseases of the respiratory system (J00-J99). 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 J35.03 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J35.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J35.03 is the ICD-10-CM diagnosis code for "Chronic tonsillitis and adenoiditis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J35.03 is J35.0 ("Chronic tonsillitis and adenoiditis"). J35.03 provides a more specific classification within this category.
J35.03 is located in Section J30-J39 — "Other diseases of upper respiratory tract" within Chapter 10 of the ICD-10-CM Tabular List.
Use J35.03 when the patients documented diagnosis matches "Chronic tonsillitis and adenoiditis" 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 Chronic tonsillitis and adenoiditis is J35.03.
Yes, J35.03 can be used as a primary diagnosis code since it is billable and specific.
J35.03 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J35.03 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.