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L04

Non-Billable (Header)

Acute lymphadenitis

Includes

  • abscess (acute) of lymph nodes, except mesenteric
  • acute lymphadenitis, except mesenteric

Excludes 1 — Do NOT code together

  • chronic or subacute lymphadenitis, except mesenteric (I88.1)
  • enlarged lymph nodes (R59.-)
  • human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)
  • lymphadenitis NOS (I88.9)
  • nonspecific mesenteric lymphadenitis (I88.0)

Child Codes

L04.0Acute lymphadenitis of face, head and neck
L04.1Acute lymphadenitis of trunk
L04.2Acute lymphadenitis of upper limb
L04.3Acute lymphadenitis of lower limb
L04.8Acute lymphadenitis of other sites
L04.9Acute lymphadenitis, unspecified

Code Hierarchy

└L04Acute lymphadenitis
└L04Acute lymphadenitis

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