2021 ICD-10-CM Diagnosis Code L98.2

Febrile neutrophilic dermatosis [Sweet]

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • L98.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM L98.2 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of L98.2 - other international versions of ICD-10 L98.2 may differ.
The following code(s) above L98.2 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 L98.2:
  • L00-L99
    2021 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
Approximate Synonyms
  • Acute febrile neutrophilic dermatosis
  • Sweets syndrome
Clinical Information
  • A rare syndrome characterized by fever, skin papules and plaques, and leukocytosis. Morphologically, the skin lesions show neutrophilic infiltrates and dermal edema. It may occur in the absence of underlying conditions. It may also be associated with the presence of cancer or may be a side effect of medications.
  • Condition characterized by large, rapidly extending, erythematous, tender plaques on the upper body usually accompanied by fever and dermal infiltration of neutrophilic leukocytes. It occurs mostly in middle-aged women, is often preceded by an upper respiratory infection, and clinically resembles erythema multiforme. Sweet syndrome is associated with leukemia.
ICD-10-CM L98.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert L98.2 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to L98.2:
  • Type 2 Excludes: L03
    ICD-10-CM Diagnosis Code L03

    Cellulitis and acute lymphangitis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • cellulitis of anal and rectal region (K61.-)
    • cellulitis of external auditory canal (H60.1)
    • cellulitis of eyelid (H00.0)
    • cellulitis of female external genital organs (N76.4)
    • cellulitis of lacrimal apparatus (H04.3)
    • cellulitis of male external genital organs (N48.2, N49.-)
    • cellulitis of mouth (K12.2)
    • cellulitis of nose (J34.0)
    • eosinophilic cellulitis [Wells] (L98.3)
    • febrile neutrophilic dermatosis [Sweet] (L98.2)
    • lymphangitis (chronic) (subacute) (I89.1)

Diagnosis Index entries containing back-references to L98.2:
  • Dermatosis L98.9
    ICD-10-CM Diagnosis Code L98.9

    Disorder of the skin and subcutaneous tissue, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • febrile neutrophilic L98.2
    • neutrophilic, febrile L98.2
  • Sweet's disease or dermatosis L98.2

ICD-10-CM Codes Adjacent To L98.2
L97.922 …… with fat layer exposed
L97.923 …… with necrosis of muscle
L97.924 …… with necrosis of bone
L97.925 …… with muscle involvement without evidence of necrosis
L97.926 …… with bone involvement without evidence of necrosis
L97.928 …… with other specified severity
L97.929 …… with unspecified severity
L98 Other disorders of skin and subcutaneous tissue, not elsewhere classified
L98.0 Pyogenic granuloma
L98.1 Factitial dermatitis
L98.2 Febrile neutrophilic dermatosis [Sweet]
L98.3 Eosinophilic cellulitis [Wells]
L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified
L98.41 Non-pressure chronic ulcer of buttock
L98.411 …… limited to breakdown of skin
L98.412 …… with fat layer exposed
L98.413 …… with necrosis of muscle
L98.414 …… with necrosis of bone
L98.415 …… with muscle involvement without evidence of necrosis
L98.416 …… with bone involvement without evidence of necrosis
L98.418 …… with other specified severity

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