I88.0 Nonspecific mesenteric lymphadenitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Mesenteric lymphadenitis (acute)(chronic)

Applies from I88 Nonspecific lymphadenitis

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 289.2 Nonspecific mesenteric lymphadenitis

Code annotations containing back-references to I88.0

Back-references to I88.0

• Type 2 Excludes: D75 Other and unspecified diseases of blood and blood-forming organs ("mesenteric lymphadenitis (acute) (chronic) (I88.0)")
• Type 1 Excludes: L04 Acute lymphadenitis ("nonspecific mesenteric lymphadenitis (I88.0)")
• Type 1 Excludes: R59 Enlarged lymph nodes ("mesenteric (acute) (chronic) lymphadenitis (I88.0)")

Diagnosis Index entries for I88.0

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › lymph, lymphatic, gland or node (acute) › mesentery
• Adenitis › mesenteric (acute) (chronic) (nonspecific) (subacute)
• Brennemann's syndrome
• Infection, infected, infective (opportunistic) › lymph gland › mesenteric
• Infection, infected, infective (opportunistic) › mesenteric lymph nodes or glands NEC
• Lymphadenitis › chronic › mesenteric
• Lymphadenitis › mesenteric (acute) (chronic) (nonspecific) (subacute)

Nearby codes

• I88 Nonspecific lymphadenitis
• I88.0 Nonspecific mesenteric lymphadenitis (this code)
• I88.1 Chronic lymphadenitis, except mesenteric
• I88.8 Other nonspecific lymphadenitis
• I88.9 Nonspecific lymphadenitis, unspecified