1. ICD-10-CM Codes
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2. L00-L99 Diseases of the skin and subcutaneous tissue
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3. L49-L54 Urticaria and erythema
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4. L52- Erythema nodosum
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5. 2020 ICD-10-CM Diagnosis Code L52

2020 ICD-10-CM Diagnosis Code L52

Erythema nodosum

2016 2017 2018 2019 2020 Billable/Specific Code

• L52 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2020 edition of ICD-10-CM L52 became effective on October 1, 2019.
• This is the American ICD-10-CM version of L52 - other international versions of ICD-10 L52 may differ.

• An erythematous eruption commonly associated with drug reactions or infection and characterized by inflammatory nodules that are usually tender, multiple, and bilateral. These nodules are located predominantly on the shins with less common occurrence on the thighs and forearms. They undergo characteristic color changes ending in temporary bruise-like areas. This condition usually subsides in 3-6 weeks without scarring or atrophy.
• Erythematous eruption commonly associated with drug reactions or infection and characterized by inflammatory nodules that are usually tender, multiple, and bilateral; these nodules are located predominantly on the shins with less common occurrence on the thighs and forearms; they undergo characteristic color changes ending in temporary bruise-like areas; this condition usually subsides in 3-6 weeks without scarring or atrophy.

• 595 Major skin disorders with mcc
• 596 Major skin disorders without mcc

Convert L52 to ICD-9-CM

• 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

• Code First: M14.8
  ICD-10-CM Diagnosis Code M14.8

  Arthropathies in other specified diseases classified elsewhere

  2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code

  Code First

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • erythema multiforme (L51.-)
  • erythema nodosum (L52)
  • hemochromatosis (E83.11-)
  • hyperparathyroidism (E21.-)
  • hypothyroidism (E00-E03)
  • sickle-cell disorders (D57.-)
  • thyrotoxicosis [hyperthyroidism] (E05.-)
  • Whipple's disease (K90.81)

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
  ICD-10-CM Diagnosis Code M19.90

  Unspecified osteoarthritis, unspecified site

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Arthrosis NOS
  • Arthritis NOS
  • Osteoarthritis NOS
  • due to or associated with
    • erythema
      • nodosum L52
  • in (due to)
    • erythema
      • nodosum L52 - see also subcategory M14.8-
• Arthropathy M12.9
  - see also Arthritis
  ICD-10-CM Diagnosis Code M12.9

  Arthropathy, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code
  • in (due to)
    • erythema
      • nodosum L52
• Dermatitis (eczematous) L30.9
  ICD-10-CM Diagnosis Code L30.9

  Dermatitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Eczema NOS
  • contusiformis L52
• Erythema, erythematous (infectional) (inflammation) L53.9
  ICD-10-CM Diagnosis Code L53.9

  Erythematous condition, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Erythema NOS
  • Erythroderma NOS
  • induratum (nontuberculous) L52
  • nodosum L52

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