ICD-10-CM I88: Nonspecific lymphadenitis

ICD-10-CM Diagnosis Code (2025)

Official Description for I88

Nonspecific lymphadenitis

Coding Notes & Guidelines for I88

Excludes1: Not Coded Here
  • acute lymphadenitis, except mesenteric (L04.-)
  • enlarged lymph nodes NOS (R59.-)
  • human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)
Inclusion Terms

Mesenteric lymphadenitis (acute)(chronic)

Inclusion Terms
  • Adenitis
  • Lymphadenitis
Inclusion Terms

Lymphadenitis NOS

Child Codes (More Specific Codes for I88):

I88.0 - Nonspecific mesenteric lymphadenitis I88.1 - Chronic lymphadenitis, except mesenteric I88.8 - Other nonspecific lymphadenitis I88.9 - Nonspecific lymphadenitis, unspecified

About ICD-10-CM Code I88 (Nonspecific lymphadenitis)

ICD-10-CM code I88 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I88 became effective on October 1, 2024.

This page provides detailed information about I88 - Nonspecific lymphadenitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Nonspecific lymphadenitis.