2017/18 ICD-10-CM Diagnosis Code L04

Acute lymphadenitis

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 Billable/Specific Code
    Applicable To
    • Adenitis
    • Lymphadenitis
    I88.1
    )
  • 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
    R59.-
    )
  • human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (
    ICD-10-CM Diagnosis Code B20

    Human immunodeficiency virus [HIV] disease

      2016 2017 2018 Billable/Specific Code
    Code First
    • Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
    Includes
    • 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
    B20
    )
  • lymphadenitis NOS (
    ICD-10-CM Diagnosis Code I88.9

    Nonspecific lymphadenitis, unspecified

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Lymphadenitis NOS
    I88.9
    )
  • nonspecific mesenteric lymphadenitis (
    ICD-10-CM Diagnosis Code I88.0

    Nonspecific mesenteric lymphadenitis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Mesenteric lymphadenitis (acute)(chronic)
    I88.0
    )
Includes
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
The following code(s) above L04 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to L04:
  • L00-L99
    2018 ICD-10-CM Range L00-L99

    Diseases of the skin and subcutaneous tissue

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • lipomelanotic reticulosis (I89.8)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • viral warts (B07.-)
    Diseases of the skin and subcutaneous tissue
  • L00-L08
    2018 ICD-10-CM Range L00-L08

    Infections of the skin and subcutaneous tissue

    Type 2 Excludes
    • 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.-)
    Use Additional
    • code (B95-B97) to identify infectious agent.
    Infections of the skin and subcutaneous tissue
Code History
Code annotations containing back-references to L04:
ICD-10-CM Codes Adjacent To L04
L03.8 Cellulitis and acute lymphangitis of other sites
L03.81 Cellulitis of other sites
L03.811 Cellulitis of head [any part, except face]
L03.818 Cellulitis of other sites
L03.89 Acute lymphangitis of other sites
L03.891 Acute lymphangitis of head [any part, except face]
L03.898 Acute lymphangitis of other sites
L03.9 Cellulitis and acute lymphangitis, unspecified
L03.90 Cellulitis, unspecified
L03.91 Acute lymphangitis, unspecified
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
L05 Pilonidal cyst and sinus
L05.0 Pilonidal cyst and sinus with abscess
L05.01 Pilonidal cyst with abscess
L05.02 Pilonidal sinus with abscess

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.