Hypomelanosis L81.62

Hypomelanosis/hypomelanotic: A term that is not commonly used in the description of lesions and therefore unnecessary, describing a pathological reduction in epidermally localized melanin. The term is used synonymously with the term depigmentation.

The term "hypomelanosis(es)" is also used to describe a family of genetic diseases such as oculocutaneous albinism (OCA types I-VII), in which a disorder of biosynthesis leads to a reduction or complete loss of melanin production with a normal number of melanocytes in the skin and various other organs. Other diseases with the term "hypomelanosis" are:

• Hypomelanosis, phylloid
• Hypomelanosis progressive macular
• Hypomelanosis guttata
• Eruptive hypomelanosis
• Hypomelanosis Ito which is also known as Blaschko-linear hypomelanosis