Nonspecific lymphadenitis (I88)

Browse all the diagnosis codes used for nonspecific lymphadenitis (i88). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

Histiocytic Necrotizing Lymphadenitis - Development of lesions in the lymph node characterized by infiltration of the cortex or paracortex by large collections of proliferating histiocytes and complete or, more often, incomplete necrosis of lymphoid tissue.

Lymphadenitis - Inflammation of the lymph nodes.

Mesenteric Lymphadenitis - INFLAMMATION of LYMPH NODES in the MESENTERY.

Tuberculosis, Lymph Node - Infection of the lymph nodes by tuberculosis. Tuberculous infection of the cervical lymph nodes is scrofula.

Instructional Notations

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • acute lymphadenitis, except mesenteric L04
  • enlarged lymph nodes NOS R59
  • human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy B20