I88.9

Nonspecific lymphadenitis, unspecified

Billable / specific

I88.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Not coded here — never report together with this code.

acute lymphadenitis, except mesenteric (L04.-) (from I88)
enlarged lymph nodes NOS (R59.-) (from I88)
human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20) (from I88)

Not included here — may be reported together when both conditions exist.

certain conditions originating in the perinatal period (P04-P96) (from I88)
certain infectious and parasitic diseases (A00-B99) (from I88)
complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I88)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I88)
endocrine, nutritional and metabolic diseases (E00-E88) (from I88)
injury, poisoning and certain other consequences of external causes (S00-T88) (from I88)
neoplasms (C00-D49) (from I88)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I88)
systemic connective tissue disorders (M30-M36) (from I88)
transient cerebral ischemic attacks and related syndromes (G45.-) (from I88)