J22
ICD-10BillableUnspecified acute lower respiratory infection
Official ICD-10-CM descriptor (FY2026)
Unspecified acute lower respiratory infection
J22 is valid for submission on a claim: CMS flags it as a billable, specific code.
Inclusion terms
- Acute (lower) respiratory (tract) infection NOS
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- upper respiratory infection (acute) (J06.9)
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.