I88.9Billable

Nonspecific lymphadenitis, unspecified

Chapter
9. Diseases of the circulatory system
Category
I88
Effective date
October 1, 2026

Related codes in category I88

I88Nonspecific lymphadenitisI88.0Nonspecific mesenteric lymphadenitisYesI88.1Chronic lymphadenitis, except mesentericYesI88.8Other nonspecific lymphadenitisYes

Frequently asked questions

What is ICD-10 code I88.9?

I88.9 is an ICD-10-CM diagnosis code for Nonspecific lymphadenitis, unspecified.

Is I88.9 a billable code?

Yes. I88.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is I88.9 in?

I88.9 falls under Chapter 9: Diseases of the circulatory system.

When did I88.9 become effective?

I88.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I88.9?

I88.9 belongs to category I88, which includes 4 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.