U.S. ICD-10-CM · FY 2027

J20 ICD-10-CM Code: Acute bronchitis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

J20

Acute bronchitis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where J20 sits

  1. 1

    Chapter 10

    Diseases of the respiratory system (J00-J99)

  2. 2

    Section

    Other acute lower respiratory infections (J20-J22)

  3. 3

    Category J20

    Acute bronchitis

  4. 4

    Code J20

    Acute bronchitis

More specific choices

Codes under J20

J20 is a non-billable category. Choose the child code that best matches the documented diagnosis.

J20.0

Acute bronchitis due to Mycoplasma pneumoniae

J20.1

Acute bronchitis due to Hemophilus influenzae

J20.2

Acute bronchitis due to streptococcus

J20.3

Acute bronchitis due to coxsackievirus

J20.4

Acute bronchitis due to parainfluenza virus

J20.5

Acute bronchitis due to respiratory syncytial virus

J20.6

Acute bronchitis due to rhinovirus

J20.7

Acute bronchitis due to echovirus

J20.8

Acute bronchitis due to other specified organisms

J20.9

Acute bronchitis, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for J20.

Code first

No “code first” instruction is listed for J20.

Use additional code

No “use additional code” instruction is listed for J20.

Excludes1

Conditions that should not be reported together with this code.

  • bronchitis NOS (J40)
  • tracheobronchitis NOS (J40)

Excludes2

Conditions not included here that may be reported separately when present.

  • acute bronchitis with bronchiectasis (J47.0)
  • acute bronchitis with chronic obstructive asthma (J44.0)
  • acute bronchitis with chronic obstructive pulmonary disease (J44.0)
  • allergic bronchitis NOS (J45.909)
  • bronchitis due to chemicals, fumes and vapors (J68.0)
  • chronic bronchitis NOS (J42)
  • chronic mucopurulent bronchitis (J41.1)
  • chronic obstructive bronchitis (J44.-)
  • chronic obstructive tracheobronchitis (J44.-)
  • chronic simple bronchitis (J41.0)
  • chronic tracheobronchitis (J42)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code J20 mean?

J20 is the FY 2027 U.S. ICD-10-CM code for “Acute bronchitis.”

Is J20 a billable or specific ICD-10-CM code?

No. J20 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is J20 located in ICD-10-CM?

J20 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Other acute lower respiratory infections (J20-J22) (J20–J22), under category J20, Acute bronchitis.

What coding notes are listed for J20?

No inclusion terms are listed for J20 in this reference record. No code-first instruction is listed. Excludes1 notes: bronchitis NOS (J40); tracheobronchitis NOS (J40). Excludes2 notes: acute bronchitis with bronchiectasis (J47.0); acute bronchitis with chronic obstructive asthma (J44.0); acute bronchitis with chronic obstructive pulmonary disease (J44.0); allergic bronchitis NOS (J45.909); bronchitis due to chemicals, fumes and vapors (J68.0); chronic bronchitis NOS (J42); chronic mucopurulent bronchitis (J41.1); chronic obstructive bronchitis (J44.-); chronic obstructive tracheobronchitis (J44.-); chronic simple bronchitis (J41.0); chronic tracheobronchitis (J42).

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