I88.8 Other nonspecific lymphadenitis

Billable ICD-10-CM code, FY2026.

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) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 289.3 Lymphadenitis, unspecified, except mesenteric (approximate)

Diagnosis Index entries for I88.8

• Adenosclerosis
• Bubo
• Bubo › indolent (nonspecific)
• Bubo › inguinal (nonspecific)
• Bubo › inguinal (nonspecific) › infective
• Granuloma › gland (lymph)
• Lymphadenitis › regional, nonbacterial

Nearby codes

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