Billable / Specific Code
ICD-10-CM J22 is the diagnosis code for Unspecified acute lower respiratory infection. This code falls under the section "Other acute lower 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 J22. They are mutually exclusive:
Understanding where J22 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J22 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J22 is the ICD-10-CM diagnosis code for "Unspecified acute lower respiratory infection". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
J22 is located in Section J20-J22 — "Other acute lower respiratory infections" within Chapter 10 of the ICD-10-CM Tabular List.
Use J22 when the patients documented diagnosis matches "Unspecified acute lower respiratory infection" 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 Unspecified acute lower respiratory infection is J22.
Yes, J22 can be used as a primary diagnosis code since it is billable and specific.
J22 is in Chapter 10 of the ICD-10-CM Tabular List.
Type 1 Excludes for J22 include: upper respiratory infection (acute) (J06.9).
Yes, J22 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.