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J20.0 ICD-10-CA code: Acute bronchitis due to Mycoplasma pneumoniae

J20.0 is the ICD-10-CA code for “Acute bronchitis due to Mycoplasma pneumoniae” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

J20.0

Acute bronchitis due to Mycoplasma pneumoniae

Short description: Ac bronchitis dt Mycoplasma pneumoniae

ICD-10-CA · Canada · Also written J200

Index terms

Entries in CIHI’s alphabetical index that lead to J20.0. Searching the index by the condition the note names is how coders reach this code.

  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous) (with tracheitis)(15 years of age and above), acute or subacute (with bronchospasm or obstruction), due to, Mycoplasma pneumoniae

Notes for J20.0

As CIHI prints them, with any note J20.0 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, acuteFrom J20 Acute bronchitis

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.-)From J20 Acute bronchitis
  • 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 J20.0 sits

  1. 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
  2. 2Block J20-J22Other acute lower respiratory infections
  3. 3Category J20Acute bronchitis
  4. 4Valid code J20.0Acute bronchitis due to Mycoplasma pneumoniae

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.

See J20.0 in the CIHI source

Frequently asked questions

What does ICD-10-CA code J20.0 mean?

J20.0 is the ICD-10-CA code for “Acute bronchitis due to Mycoplasma pneumoniae” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is J20.0 in ICD-10-CA?

J20.0 sits under J20 Acute bronchitis, within J20-J22 Other acute lower respiratory infections, within Chapter 10: Diseases of the respiratory system (J00-J99).

What coding notes apply to J20.0?

ICD-10-CA lists Includes, Excludes, Note notes for J20.0, 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.

Codes beside J20.0

J20.1Acute 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 organismsJ20.9Acute bronchitis, unspecified