Other acute lower respiratory infections
17 codes in this section
About Section J20-J22
Section J20-J22 (J20-J22) covers other acute lower respiratory infections. It sits within the Diseases of the respiratory system chapter (J00-J99). This section contains 17 ICD-10-CM codes, 15 billable diagnoses you can submit on a claim, and 2 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in J20-J22
Grouped by 3-character root code. Click any code for full detail.
| J20.0 | Acute bronchitis due to Mycoplasma pneumoniae | Billable |
| J20.1 | Acute bronchitis due to Hemophilus influenzae | Billable |
| J20.2 | Acute bronchitis due to streptococcus | Billable |
| J20.3 | Acute bronchitis due to coxsackievirus | Billable |
| J20.4 | Acute bronchitis due to parainfluenza virus | Billable |
| J20.5 | Acute bronchitis due to respiratory syncytial virus | Billable |
| J20.6 | Acute bronchitis due to rhinovirus | Billable |
| J20.7 | Acute bronchitis due to echovirus | Billable |
| J20.8 | Acute bronchitis due to other specified organisms | Billable |
| J20.9 | Acute bronchitis, unspecified | Billable |
| J21.0 | Acute bronchiolitis due to respiratory syncytial virus | Billable |
| J21.1 | Acute bronchiolitis due to human metapneumovirus | Billable |
| J21.8 | Acute bronchiolitis due to other specified organisms | Billable |
| J21.9 | Acute bronchiolitis, unspecified | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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