ICD-10 Diagnosis Code L40.8

Other psoriasis

Diagnosis Code L40.8

ICD-10: L40.8
Short Description: Other psoriasis
Long Description: Other psoriasis
This is the 2018 version of the ICD-10-CM diagnosis code L40.8

Valid for Submission
The code L40.8 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Papulosquamous disorders (L40-L45)
      • Psoriasis (L40)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code L40.8 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Eczematized psoriasis
  • Erythrodermic psoriasis
  • Familial psoriasis
  • Familial psoriasis
  • Familial psoriasis with affected first degree relative
  • Familial psoriasis without affected first degree relative
  • Flexural psoriasis
  • Generalized pustular psoriasis
  • Hypertrophic palmar psoriasis
  • Hypertrophic palmoplantar psoriasis
  • Inflammatory epidermal nevus
  • Juvenile pustular psoriasis
  • Köbner psoriasis
  • Lapiere type of psoriasis
  • Localized pustular psoriasis
  • Nevoid psoriasis
  • Photoaggravated psoriasis
  • Photoaggravation of disorder
  • Psoriasiform dermatitis
  • Psoriasiform dermatitis
  • Psoriasis annularis
  • Psoriasis circinata
  • Psoriasis diffusa
  • Psoriasis geographica
  • Psoriasis gyrata
  • Psoriasis inveterata
  • Psoriasis of perianal skin
  • Psoriasis punctata
  • Psoriasis universalis
  • Psoriasis-eczema overlap condition
  • Pustular psoriasis in children
  • Rupioid psoriasis
  • Seborrheic psoriasis
  • Spongiotic dermatitis
  • Spongiotic psoriasiform dermatitis

Index of Diseases and Injuries
References found for the code L40.8 in the Index of Diseases and Injuries:

Information for Patients


Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales. You usually get the patches on your elbows, knees, scalp, back, face, palms and feet, but they can show up on other parts of your body. Some people who have psoriasis also get a form of arthritis called psoriatic arthritis.

A problem with your immune system causes psoriasis. In a process called cell turnover, skin cells that grow deep in your skin rise to the surface. Normally, this takes a month. In psoriasis, it happens in just days because your cells rise too fast.

Psoriasis can be hard to diagnose because it can look like other skin diseases. Your doctor might need to look at a small skin sample under a microscope.

Psoriasis can last a long time, even a lifetime. Symptoms come and go. Things that make them worse include

  • Infections
  • Stress
  • Dry skin
  • Certain medicines

Psoriasis usually occurs in adults. It sometimes runs in families. Treatments include creams, medicines, and light therapy.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Psoriasis (Medical Encyclopedia)
  • Psoriasis - guttate (Medical Encyclopedia)

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