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I88 Nonspecific lymphadenitis

ICD-10-CM category I88 sits in Chapter 9 (Diseases of the circulatory system, I00-I99). It contains 4 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Billable codes in I88

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

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