Alphabetic Index FY2027

J20

Acute bronchitis

FY2027Chapter 10: Diseases of the respiratory system/J20–J22 Other acute lower respiratory infections

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

J20 is a non-billable ICD-10-CM code category for acute bronchitis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are 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 and 6 more. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 21 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (7 notes)
Inherited from Chapter 10 Diseases of the respiratory system
  • code, where applicable, to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • exposure to tobacco smoke in the perinatal period (P96.81)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • bronchitis NOS (J40)
  • tracheobronchitis NOS (J40)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • 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)
Also from chapter/block level (10 notes)
Inherited from J20–J22 Other acute lower respiratory infections
  • chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)
Inherited from Chapter 10 Diseases of the respiratory system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Includes

Further defines or gives examples of the content of the category.

This code
  • acute and subacute bronchitis (with) bronchospasm
  • acute and subacute bronchitis (with) tracheitis
  • acute and subacute bronchitis (with) tracheobronchitis, acute
  • acute and subacute fibrinous bronchitis
  • acute and subacute membranous bronchitis
  • acute and subacute purulent bronchitis
  • acute and subacute septic bronchitis

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 10 Diseases of the respiratory system
  • 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).

More specific codes under J20 10