ICD-10-CM J02.9 is the diagnosis code for Acute pharyngitis, unspecified. This code falls under the section "Acute upper respiratory infections" 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.
The following conditions should never be coded at the same time as J02.9. They are mutually exclusive:
Understanding where J02.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J02.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J02.9 is the ICD-10-CM diagnosis code for "Acute pharyngitis, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J02.9 is J02 ("Acute pharyngitis"). J02.9 provides a more specific classification within this category.
J02.9 is located in Section J00-J06 — "Acute upper respiratory infections" within Chapter 10 of the ICD-10-CM Tabular List.
Use J02.9 when the patients documented diagnosis matches "Acute pharyngitis, unspecified" 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 Acute pharyngitis, unspecified is J02.9.
Yes, J02.9 can be used as a primary diagnosis code since it is billable and specific.
J02.9 is in Chapter 10 of the ICD-10-CM Tabular List.
Type 1 Excludes for J02.9 include: influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1).
Yes, J02.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.