2020 ICD-10-CM Diagnosis Code L50.0

Allergic urticaria

    2016 2017 2018 2019 2020 Billable/Specific Code
  • L50.0 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 L50.0 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of L50.0 - other international versions of ICD-10 L50.0 may differ.
The following code(s) above L50.0 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 L50.0:
  • L00-L99
    2020 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
  • L49-L54
    2020 ICD-10-CM Range L49-L54

    Urticaria and erythema

    Type 1 Excludes
    Urticaria and erythema
  • L50
    ICD-10-CM Diagnosis Code L50

    Urticaria

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • allergic contact dermatitis (L23.-)
    • angioneurotic edema (T78.3)
    • giant urticaria (T78.3)
    • hereditary angio-edema (D84.1)
    • Quincke's edema (T78.3)
    • serum urticaria (T80.6-)
    • solar urticaria (L56.3)
    • urticaria neonatorum (P83.8)
    • urticaria papulosa (L28.2)
    • urticaria pigmentosa (D47.01)
    Urticaria
Approximate Synonyms
  • Allergic urticaria due to ingested food
  • Urticaria (hives) due to drug allergy
  • Urticaria (hives) due to food allergy
  • Urticaria medicamentosa
  • Urticaria, allergic
ICD-10-CM L50.0 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert L50.0 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

Diagnosis Index entries containing back-references to L50.0:
  • Allergy, allergic (reaction) (to) T78.40
    ICD-10-CM Diagnosis Code T78.40

    Allergy, unspecified

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Allergic reaction NOS
    • Hypersensitivity NOS
    • urticaria L50.0
  • Urticaria L50.9
    ICD-10-CM Diagnosis Code L50.9

    Urticaria, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • due to
      • drugs L50.0
      • food L50.0
      • inhalants L50.0
    • allergic L50.0

ICD-10-CM Codes Adjacent To L50.0
L49.1 Exfoliation due to erythematous condition involving 10-19 percent of body surface
L49.2 Exfoliation due to erythematous condition involving 20-29 percent of body surface
L49.3 Exfoliation due to erythematous condition involving 30-39 percent of body surface
L49.4 Exfoliation due to erythematous condition involving 40-49 percent of body surface
L49.5 Exfoliation due to erythematous condition involving 50-59 percent of body surface
L49.6 Exfoliation due to erythematous condition involving 60-69 percent of body surface
L49.7 Exfoliation due to erythematous condition involving 70-79 percent of body surface
L49.8 Exfoliation due to erythematous condition involving 80-89 percent of body surface
L49.9 Exfoliation due to erythematous condition involving 90 or more percent of body surface
L50 Urticaria
L50.0 Allergic urticaria
L50.1 Idiopathic urticaria
L50.2 Urticaria due to cold and heat
L50.3 Dermatographic urticaria
L50.4 Vibratory urticaria
L50.5 Cholinergic urticaria
L50.6 Contact urticaria
L50.8 Other urticaria
L50.9 Urticaria, unspecified
L51 Erythema multiforme
L51.0 Nonbullous erythema multiforme

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