2023 ICD-10-CM Diagnosis Code L10.9

Pemphigus, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • L10.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM L10.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of L10.9 - other international versions of ICD-10 L10.9 may differ.
The following code(s) above L10.9 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 L10.9:
  • L00-L99
    2023 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
  • L10-L14
    2023 ICD-10-CM Range L10-L14

    Bullous disorders

    Type 1 Excludes
    • benign familial pemphigus [Hailey-Hailey] (Q82.8)
    • staphylococcal scalded skin syndrome (L00)
    • toxic epidermal necrolysis [Lyell] (L51.2)
    Bullous disorders
  • L10
    ICD-10-CM Diagnosis Code L10

    Pemphigus

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Pemphigus
Approximate Synonyms
  • Pemphigus
Clinical Information
  • A blistering skin disorder. Morphologically it is characterized by acantholysis and intraepidermal blister formation.
  • Group of chronic blistering diseases characterized histologically by acantholysis and blister formation within the epidermis.
  • Pemphigus is an autoimmune disorder in which your antibodies attack healthy cells in your skin and mouth, causing blisters and sores. No one knows what causes this attack. Pemphigus does not spread from person to person. It does not appear to be inherited. But some people's genes put them more at risk for pemphigus.pemphigoid is also an autoimmune skin disease. It leads to deep blisters that do not break easily. Pemphigoid is most common in older adults and may be fatal. The treatment of pemphigus and pemphigoid is the same: one or more medicines. These may include
    • steroids, which reduce inflammation
    • drugs that suppress the immune system response
    • antibiotics to treat associated infections
    nih: national institute of arthritis and musculoskeletal and skin diseases
ICD-10-CM L10.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 595 Major skin disorders with mcc
  • 596 Major skin disorders without mcc

Convert L10.9 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to L10.9:

ICD-10-CM Codes Adjacent To L10.9
L10 Pemphigus
L10.0 Pemphigus vulgaris
L10.1 Pemphigus vegetans
L10.2 Pemphigus foliaceous
L10.3 Brazilian pemphigus [fogo selvagem]
L10.4 Pemphigus erythematosus
L10.5 Drug-induced pemphigus
L10.8 Other pemphigus
L10.81 Paraneoplastic pemphigus
L10.89 Other pemphigus
L10.9 Pemphigus, unspecified
L11 Other acantholytic disorders
L11.0 Acquired keratosis follicularis
L11.1 Transient acantholytic dermatosis [Grover]
L11.8 Other specified acantholytic disorders
L11.9 Acantholytic disorder, unspecified
L12 Pemphigoid
L12.0 Bullous pemphigoid
L12.1 Cicatricial pemphigoid
L12.2 Chronic bullous disease of childhood
L12.3 Acquired epidermolysis bullosa

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