2021 ICD-10-CM Diagnosis Code L40.5

Arthropathic psoriasis

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • L40.5 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM L40.5 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of L40.5 - other international versions of ICD-10 L40.5 may differ.
The following code(s) above L40.5 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 L40.5:
  • 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
Clinical Information
  • A type of inflammatory arthritis associated with psoriasis, often involving the axial joints and the peripheral terminal interphalangeal joints. It is characterized by the presence of hla-b27-associated spondylarthropathy, and the absence of rheumatoid factor.
  • Joint inflammation associated with psoriasis.
  • Syndrome of psoriasis in association with inflammation, arthritis; rheumatoid factor is usually not present in the sera of affected individuals.
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 L40.5:
  • Type 1 Excludes: M07
    ICD-10-CM Diagnosis Code M07

    Enteropathic arthropathies

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • associated enteropathy, such as:
    • regional enteritis [Crohn's disease] (K50.-)
    • ulcerative colitis (K51.-)
    Type 1 Excludes
    • psoriatic arthropathies (L40.5-)
ICD-10-CM Codes Adjacent To L40.5
L30.4 Erythema intertrigo
L30.5 Pityriasis alba
L30.8 Other specified dermatitis
L30.9 Dermatitis, unspecified
L40 Psoriasis
L40.0 Psoriasis vulgaris
L40.1 Generalized pustular psoriasis
L40.2 Acrodermatitis continua
L40.3 Pustulosis palmaris et plantaris
L40.4 Guttate psoriasis
L40.5 Arthropathic psoriasis
L40.50 …… unspecified
L40.51 Distal interphalangeal psoriatic arthropathy
L40.52 Psoriatic arthritis mutilans
L40.53 Psoriatic spondylitis
L40.54 Psoriatic juvenile arthropathy
L40.59 Other psoriatic arthropathy
L40.8 Other psoriasis
L40.9 Psoriasis, unspecified
L41 Parapsoriasis
L41.0 Pityriasis lichenoides et varioliformis acuta

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