This section reference is generated from Vero’s repository-backed ICD-10-CM section, description, and hierarchy datasets. The visible range, record count, links, FAQs, and structured data share those sources.

Review the CDC/NCHS ICD-10-CM source

Section guidance

Frequently asked questions

What does the ICD-10-CM range J40-J4B include?

J40-J4B is the FY 2027 U.S. ICD-10-CM section for “Chronic lower respiratory diseases.” This page lists 54 records from Vero’s repository-backed dataset.

Which ICD-10-CM chapter contains J40-J4B?

J40-J4B is listed in Chapter 10, Diseases of the respiratory system (J00-J99).

How many ICD-10-CM records are listed in J40-J4B?

Vero’s FY 2027 reference dataset contains 54 records in J40-J4B. Use the individual code pages to review descriptions, hierarchy, and coding notes.

Is J40-J4B itself a billable ICD-10-CM code?

J40-J4B is a section range, not a billable diagnosis code. Select the most specific code supported by the documentation and confirm the active code set and payer requirements.

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