C43.3: Malignant melanoma of other and unspecified parts of face
You have melanoma (skin cancer) on the face.
The tissue in the body is made up of cells. With cancer, the cells multiply uncontrollably, which leads to a malignant neoplasm (abnormal growth of tissue) developing. The cancer cells can destroy the healthy tissue and spread throughout the body.
Melanin-producing cells in your face have multiplied uncontrollably. In the skin, special cells produce a dark pigment. This pigment is to protect the body from sunlight. If a lot of sunlight gets on your skin, then these skin cells produce more pigment. This makes the skin brown. These melanin-producing skin cells also occur in the scalp. There the cells release the pigments to the hair roots. These pigments determine the color of the hair. If these melanin-producing cells multiply uncontrollably, a dark patch can appear on the skin.
On medical documents, the ICD code is often appended by letters that indicate the diagnostic certainty or the affected side of the body.
- G: Confirmed diagnosis
- V: Tentative diagnosis
- Z: Condition after
- A: Excluded diagnosis
- L: Left
- R: Right
- B: Both sides
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