Question 1

Is J42 a billable ICD-10 code?

Accepted Answer

Yes, J42 is a valid billable ICD-10-CM code for unspecified chronic bronchitis. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code J42 mean?

Accepted Answer

ICD-10-CM code J42 represents Unspecified chronic bronchitis. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code J42 introduced?

Accepted Answer

Code J42 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code J42?

Accepted Answer

The parent category for J42 is section:J40-J4A (Chronic lower respiratory diseases (J40-J4A)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from J42?

Accepted Answer

Code J42 has Type 1 Excludes (mutually exclusive conditions) including: bronchiolitis obliterans and bronchiolitis obliterans syndrome (J44.81); chronic asthmatic bronchitis (J44.-); chronic bronchitis with airways obstruction (J44.-) and 3 more conditions. These conditions cannot be coded together with J42 as they represent different diagnoses.

Question 6

Should I use additional codes with J42?

Accepted Answer

Yes, when coding J42, consider adding codes for: code to identify:; exposure to environmental tobacco smoke (Z77.22). Additional codes provide more specificity about the patient's condition.

J422026

Excludes17Not coded together

Excludes210Not included here

Use Additional Code14Add code for detail

Notes4Additional information

Also Known As10Alternative terms