J20 ICD-10-CA category: Acute bronchitis
J20 isn’t a code on its own. Choose one of the 11 codes beneath it, the one the documentation supports.
Official description
J20Acute bronchitis
ICD-10-CA · Canada
Codes in J20
J20 isn’t a code on its own. Open the group that matches what the note documents.
J20.0Acute bronchitis due to Mycoplasma pneumoniaeJ20.1Acute bronchitis due to Haemophilus influenzaeJ20.2Acute bronchitis due to streptococcusJ20.3Acute bronchitis due to coxsackievirusJ20.4Acute bronchitis due to parainfluenza virusJ20.5Acute bronchitis due to respiratory syncytial virusJ20.6Acute bronchitis due to rhinovirusJ20.7Acute bronchitis due to echovirusJ20.8Acute bronchitis due to other specified organisms (2 codes)J20.9Acute bronchitis, unspecifiedNotes for J20
As CIHI prints them, with any note J20 takes from the headings above it.
Includes
- Bronchitis:• NOS, in those under l5 years of age• acute and subacute (with)• bronchospasm• fibrinous• membranous• purulent• septic• tracheitistracheobronchitis, acute
Excludes
Conditions classified elsewhere.
- Bronchitis:• NOS, in those 15 years of age and above (J40)• allergic NOS (J45.0-)• chronic• NOS (J42)• mucopurulent (J41.1)• obstructive (J44.-)• simple (J41.0)tracheobronchitis:• NOS (J40)• chronic (J42)• obstructive (J44.-)
- Chronic obstructive pulmonary disease with acute:• exacerbation NOS (J44.1)• lower respiratory infection (J44.0)From J20-J22 Other acute lower respiratory infections
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 10: Diseases of the respiratory system (J00-J99)
Note
- When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g., tracheobronchitis to bronchitis in J40).From Chapter 10: Diseases of the respiratory system (J00-J99)
Where J20 sits
- 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
- 2Block J20-J22Other acute lower respiratory infections
- 3Category J20Acute bronchitis
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is J20 a valid ICD-10-CA code?
No. J20 (Acute bronchitis) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 11 codes; record the one the documentation supports.
Where is J20 in ICD-10-CA?
J20 sits under J20-J22 Other acute lower respiratory infections, within Chapter 10: Diseases of the respiratory system (J00-J99).
What coding notes apply to J20?
ICD-10-CA lists Includes, Excludes, Note notes for J20, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.