J22
BillableUnspecified acute lower respiratory infection
J22 is the ICD-10-CM code for Unspecified acute lower respiratory infection. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- J00-J99
- Edition
- FY2026
J00-J99 Diseases of the respiratory system
What this means — in plain language
MedlinePlus · NIHWhen you breathe, your lungs take in oxygen from the air and deliver it to the bloodstream. The cells in your body need oxygen to work and grow. During a normal day, you breathe nearly 25,000 times. People with lung disease have difficulty breathing. Millions of people in the U.S. have lung disease. If all types of lung disease are lumped together, it is the number three killer in the United States. The term lung…
Read more about Lung Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Acute (lower) respiratory (tract) infection NOS
Excludes1 — not coded here
- •upper respiratory infection (acute) (J06.9)
Medications indicated for this condition
FDA labeling- CiprofloxacinFluoroquinolone Antibacterial [EPC]›
- VancomycinGlycopeptide Antibacterial [EPC]›
- TobramycinAminoglycoside Antibacterial [EPC]›
- Ceftriaxone›
- Cefoxitin›
- Amoxicillin/clav Pot›
- CilastatinPenem Antibacterial [EPC]›
- Ciprofolxacin›
- Imipenem and Cilastatin Sodium›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Frequently asked questions
- What is ICD-10 code J22?
- J22 is the ICD-10-CM code for "Unspecified acute lower respiratory infection". It falls under J00-J99 Diseases of the respiratory system.
- Is J22 a billable code?
- Yes — J22 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from J22?
- Excludes1 (not coded here): upper respiratory infection (acute) (J06.9).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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