J22 – Unspecified acute lower respiratory infection
ICD-10-CM 2027 diagnosis code · Other acute lower respiratory infections
ICD-10-CM code
J22
- Code
J22(claims format:J22)- Description
- Unspecified acute lower respiratory infection
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 10. Diseases of the respiratory system (J00-J99)
- Block
- J20-J22 Other acute lower respiratory infections
Notes for J22
Applicable to:
- Acute (lower) respiratory (tract) infection NOS
Excludes1 (not coded here):
- upper respiratory infection (acute) (J06.9)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block J20-J22
Excludes2 (not included here):
- chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)
Index terms for J22
Entries in the ICD-10-CM alphabetic index that lead to this code:
Frequently asked questions
What is ICD-10 code J22?
J22 is the ICD-10-CM code for unspecified acute lower respiratory infection, in the block J20-J22 (Other acute lower respiratory infections).
Is J22 a billable code?
Yes. J22 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.