J4A.9Billable

Chronic lung allograft dysfunction, unspecified

Chapter
10. Diseases of the respiratory system
Category
J4A
Effective date
October 1, 2026

Related codes in category J4A

Frequently asked questions

What is ICD-10 code J4A.9?

J4A.9 is an ICD-10-CM diagnosis code for Chronic lung allograft dysfunction, unspecified.

Is J4A.9 a billable code?

Yes. J4A.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is J4A.9 in?

J4A.9 falls under Chapter 10: Diseases of the respiratory system.

When did J4A.9 become effective?

J4A.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to J4A.9?

J4A.9 belongs to category J4A, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.