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Overview Brief

CD1a is a gene in the body. It is a gene which acts as a marker for many diseases. It is the primary marker for Langerhans cell and immature T cells, so whenever they need to be identified this test is done.

What is CD1A?

The list includes Langerhans cell histiocytosis or parapsoriasis. Since the test is used for life-threatening diseases, it takes 5-7 days for the result to be delivered. The doctor can then prescribes proper treatment, determine whether the surgery was successful or not.

Why is CD1A suggested?

CD1A symptoms can vary depending on the levels. Symptoms are as below:

  • Mycosis fungoides.
  • T-cutaneous lymphoid hyperplasia.
  • Lymphomatoid papulosis and parapsoriasis.

How is CD1A performed?

CD1A tests may include:

  • For a blood sample, an elastic band is tied on the forearm.
  • The vein is identified and cleaned with antiseptic, and then the needle is inserted to collect the blood.
  • After this, the patient is given a cotton swab to clean the area.
  • For tissue sample Firstly the area is identified for collection of specimen.
  • Then there are two ways to collect it, either through biopsy or after an operation.
  • In a biopsy, the area selected is injected, and fluid or serum or cells are harvested.
  • It is more sensitive than the blood sample and thus requires proper professional care.

What are the parameters measured in CD1A?

CD1A test can be conducted via the following methods:

  • CD1a test is done via a blood test or tissue sample test.

Preparation before performing CD1A

The preparation for the CD1A test includes:

  • Discuss medical history and allergies with the doctor.

Post-care after CD1A

You should take care of below steps for CD1A:

  • Take proper rest.


Sample types in CD1A

Few samples are for CD1A as follows:

  • Blood test.
  • Tissue test.

Side effects/risks of CD1A

CD1A blood test side effects are:

  • You may feel a small skin prick uneasy and have a little bruising where the needle goes in.


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