2024 ICD-10-CM Diagnosis Code L40.9
Psoriasis, unspecified
- ICD-10-CM Code:
- L40.9
- ICD-10 Code for:
- Psoriasis, unspecified
- Is Billable?
- Yes - Valid for Submission
- Chronic Condition Indicator: [1]
- Chronic
- Code Navigator:
L40.9 is a billable diagnosis code used to specify a medical diagnosis of psoriasis, unspecified. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.
Unspecified diagnosis codes like L40.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Disorder of skin due to human immunodeficiency virus infection
- Drug-exacerbated psoriasis
- Early onset psoriasis type 1
- Familial psoriasis
- Familial psoriasis
- Generalized psoriasis
- Hypertrophy of nail
- Juvenile psoriatic arthritis
- Juvenile psoriatic arthritis with psoriasis
- Late onset psoriasis type 2
- Non-pustular psoriasis of hands
- Non-pustular psoriasis of hands and feet
- Onset of psoriasis in adolescence
- Onset of psoriasis in childhood
- Onset of psoriasis in early adulthood
- Onset of psoriasis in infancy
- Psoriasiform drug eruption
- Psoriasis
- Psoriasis exacerbated by human immunodeficiency virus infection
- Psoriasis of anogenital region
- Psoriasis of anogenital region
- Psoriasis of face
- Psoriasis of nail
- Psoriasis of penis
- Psoriasis of scalp
- Psoriasis of scalp margin
- Psoriasis of vulva
- Psoriatic arthritis
- Psoriatic nail hypertrophy
- Unstable psoriasis
- X-linked intellectual disability with seizure and psoriasis syndrome
Clinical Classification
Clinical Category is Other specified inflammatory condition of skin
- CCSR Category Code: SKN002
- Inpatient Default CCSR: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.
- Outpatient Default CCSR: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.
Clinical Information
Arthritis, Psoriatic
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.Psoriasis
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.
Index to Diseases and Injuries References
The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).
- - Psoriasis - L40.9
Convert L40.9 to ICD-9-CM
- ICD-9-CM Code: 696.1 - Other psoriasis
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
Patient Education
Psoriasis
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
[Learn More in MedlinePlus]
Psoriasis
Psoriasis is a chronic (long-lasting) disease in which the immune system works too much, causing patches of skin to become scaly and inflamed.[Learn More in MedlinePlus]
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.