J20.1 – Acute bronchitis due to Hemophilus influenzae

ICD-10-CM 2027 diagnosis code · Other acute lower respiratory infections

Billable code

ICD-10-CM code J20.1

Code: J20.1 (claims format: J201)
Description: Acute bronchitis due to Hemophilus influenzae
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: J20-J22 Other acute lower respiratory infections
Parent codes: J20

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J20 – Acute bronchitis

Includes:

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

Excludes1 (not coded here):

bronchitis NOS (J40)
tracheobronchitis NOS (J40)

Excludes2 (not included here):

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)

Block J20-J22

Excludes2 (not included here):

chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)

Index terms for J20.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Bronchitis, acute or subacute, due to, Haemophilus influenzae

Related codes in J20

J20.0 – Acute bronchitis due to Mycoplasma pneumoniaeBillable
J20.2 – Acute bronchitis due to streptococcusBillable
J20.3 – Acute bronchitis due to coxsackievirusBillable
J20.4 – Acute bronchitis due to parainfluenza virusBillable
J20.5 – Acute bronchitis due to respiratory syncytial virusBillable
J20.6 – Acute bronchitis due to rhinovirusBillable
J20.7 – Acute bronchitis due to echovirusBillable
J20.8 – Acute bronchitis due to other specified organismsBillable
J20.9 – Acute bronchitis, unspecifiedBillable

Frequently asked questions

What is ICD-10 code J20.1?

J20.1 is the ICD-10-CM code for acute bronchitis due to Hemophilus influenzae, in the block J20-J22 (Other acute lower respiratory infections).

Is J20.1 a billable code?

Yes. J20.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J20.1 belong to?

It belongs to category J20 – Acute bronchitis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.