Use Additional code (B95-B97) to identify infectious agent.

Excludes2

  • hordeolum (H00.0)
  • infective dermatitis (L30.3)
  • local infections of skin classified in Chapter 1
  • lupus panniculitis (L93.2)
  • panniculitis NOS (M79.3)
  • panniculitis of neck and back (M54.0-)
  • Perlèche NOS (K13.0)
  • Perlèche due to candidiasis (B37.0)
  • Perlèche due to riboflavin deficiency (E53.0)
  • pyogenic granuloma (L98.0)
  • relapsing panniculitis [Weber-Christian] (M35.6)
  • viral warts (B07.-)
  • zoster (B02.-)
  1. L04 Acute lymphadenitis

    Includes:

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

    Excludes1

    • 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)
    1. L04.0 Acute lymphadenitis of face, head and neck

    2. L04.1 Acute lymphadenitis of trunk

    3. L04.2 Acute lymphadenitis of upper limb

      Inclusion term(s):

      • Acute lymphadenitis of axilla
      • Acute lymphadenitis of shoulder
    4. L04.3 Acute lymphadenitis of lower limb

      Inclusion term(s):

      • Acute lymphadenitis of hip
    5. L04.8 Acute lymphadenitis of other sites

    6. L04.9 Acute lymphadenitis, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.