J35.0
Non-Billable

Chronic tonsillitis and adenoiditis

Non-Billable / Non-Specific Code

What is Chronic tonsillitis and adenoiditis?

ICD-10-CM J35.0 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for J35.0

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in J35.0. If the patient has both, code each condition separately:

  • acute tonsillitis (J03.-)

ICD-10-CM Code Hierarchy

Understanding where J35.0 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
J35.01Chronic tonsillitisBillableJ35.02Chronic adenoiditisBillableJ35.03Chronic tonsillitis and adenoiditisBillable
Related Codes

Frequently Asked Questions

Is J35.0 a billable ICD-10-CM code?

No, J35.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does J35.0 mean?

J35.0 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.

What is the parent code of J35.0?

The parent code of J35.0 is J35 ("Chronic diseases of tonsils and adenoids"). J35.0 provides a more specific classification within this category.

What section is J35.0 in?

J35.0 is located in Section J30-J39 — "Other diseases of upper respiratory tract" within Chapter 10 of the ICD-10-CM Tabular List.

What are the sub-codes of J35.0?

J35.0 has 3 sub-code(s) that provide more specific detail: J35.01, J35.02, J35.03.

When should I use J35.0?

Use J35.0 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.

People Also Ask

What is the ICD-10 code for Chronic tonsillitis and adenoiditis?

The ICD-10-CM code for Chronic tonsillitis and adenoiditis is J35.0.

Can J35.0 be used for primary diagnosis?

No, J35.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is J35.0 in?

J35.0 is in Chapter 10 of the ICD-10-CM Tabular List.

Is J35.0 valid for 2026?

Yes, J35.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousJ35Chronic diseases of tonsils and adenoidsNext →J35.01Chronic tonsillitis
Code Details
J35.0
Chronic tonsillitis and adenoiditis
Non-Billable / Non-Specific Code
10 — Diseases of the respiratory system (J00-J99)
J30-J39 — Other diseases of upper respiratory tract
2026 ICD-10-CM