Acute lymphadenitis L04-

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as L04. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • chronic or subacute lymphadenitis, except mesenteric (
    ICD-10-CM Diagnosis Code I88.1

    Chronic lymphadenitis, except mesenteric

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Adenitis
    • Lymphadenitis
  • enlarged lymph nodes (
    ICD-10-CM Diagnosis Code R59
    • R59 Enlarged lymph nodes
      • R59.0 Localized enlarged lymph nodes
      • R59.1 Generalized enlarged lymph nodes
      • R59.9 Enlarged lymph nodes, unspecified
  • human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (
    ICD-10-CM Diagnosis Code B20

    Human immunodeficiency virus [HIV] disease

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Code First
    • Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
    • acquired immune deficiency syndrome [AIDS]
    • AIDS-related complex [ARC]
    • HIV infection, symptomatic
    Type 1 Excludes
    • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
    • exposure to HIV virus (Z20.6)
    • inconclusive serologic evidence of HIV (R75)
    Use Additional
    • code(s) to identify all manifestations of HIV infection
  • lymphadenitis NOS (
    ICD-10-CM Diagnosis Code I88.9

    Nonspecific lymphadenitis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Lymphadenitis NOS
  • nonspecific mesenteric lymphadenitis (
    ICD-10-CM Diagnosis Code I88.0

    Nonspecific mesenteric lymphadenitis

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Mesenteric lymphadenitis (acute)(chronic)
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • abscess (acute) of lymph nodes, except mesenteric
  • acute lymphadenitis, except mesenteric
  • L04 Acute lymphadenitis
    • L04.0 Acute lymphadenitis of face, head and neck
    • L04.1 Acute lymphadenitis of trunk
    • L04.2 Acute lymphadenitis of upper limb
    • L04.3 Acute lymphadenitis of lower limb
    • L04.8 Acute lymphadenitis of other sites
    • L04.9 Acute lymphadenitis, unspecified