Diseases of the skin and subcutaneous tissue
2020 ICD-10-CM Diagnosis Code L40
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
- L40 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2020 edition of ICD-10-CM L40 became effective on October 1, 2019.
- This is the American ICD-10-CM version of L40 - other international versions of ICD-10 L40 may differ.
The following code(s) above L40
contain 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
- A chronic disease of the skin marked by red patches covered with white scales.
- A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythematous, dry, scaling patches. Psoriatic lesions have a predilection for nails, scalp, genitalia, extensor surfaces, and the lumbosacral region; the pathology involves an accelerated epidermopoiesis. Psoriasis is associated with increased risk for melanoma, squamous cell carcinoma, and basal cell carcinoma.
- A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythematous, dry, scaling patches. The lesions have a predilection for nails, scalp, genitalia, extensor surfaces, and the lumbosacral region. Accelerated epidermopoiesis is considered to be the fundamental pathologic feature in psoriasis.
- Common polygenetically determined, chronic, squamous dermatosis characterized by rounded erythematous, dry, scaling patches.
- Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales. You usually get them on your elbows, knees, scalp, back, face, palms and feet, but they can show up on other parts of your body. 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 last a long time, even a lifetime. Symptoms come and go. Things that make them worse include
psoriasis usually occurs in adults. It sometimes runs in families. Treatments include creams, medications and light therapy. nih: national institute of arthritis and musculoskeletal and skin diseases
- dry skin
- certain medicines
- 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
ICD-10-CM Codes Adjacent To L40
Other and unspecified dermatitis
Other specified dermatitis
Generalized pustular psoriasis
Pustulosis palmaris et plantaris
Distal interphalangeal psoriatic arthropathy
Psoriatic arthritis mutilans
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.