ICD-10-CM

ICD-10 code for Restrictive allograft syndrome: J4A.0

The closest CDC title for "Restrictive allograft syndrome" is J4A.0, Restrictive allograft syndrome. J4A.0 is a billable code.

Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page

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A header groups codes and is not billed. A billable code is one you can report.

The CDC tabular list says to report the code named here before this one.

From J4A. A note on a category applies to every code under it.

Code first, if applicable:

The CDC tabular list says a second code may be needed with this one. The note does not set which is listed first.

Code also, if applicable, for mixed chronic lung allograft dysfunction, bronchiolitis obliterans syndrome (J44.81)

From J4A. A note on a category applies to every code under it.

Code also, if applicable, bronchiolitis obliterans syndrome (J44.81)

What is the ICD-10 code for Restrictive allograft syndrome?

The closest CDC title for "Restrictive allograft syndrome" is J4A.0, Restrictive allograft syndrome. J4A.0 is a billable code.

Is J4A.0 billable?

Yes. J4A.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.

What chapter is J4A.0 in?

Chapter 10. Diseases of the respiratory system.

When do ICD-10-CM codes change?

Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.