In simple words: Indeterminate leprosy is a mild form of leprosy, a skin and nerve infection. It starts with a few pale or light red spots on the skin that may have reduced feeling. These spots might go away on their own, but if not treated, they can develop into more serious types of leprosy.

Indeterminate leprosy is the earliest and mildest form of leprosy. It is characterized by one or more hypopigmented or slightly erythematous macules on the skin.These lesions may have diminished sensation. While they can heal spontaneously, they may also persist and progress to other, more severe forms of leprosy if not treated. Leprosy, also known as Hansen's disease, is a chronic granulomatous infection caused by Mycobacterium leprae.It primarily affects the skin, peripheral nerves, upper respiratory tract, eyes, and testes. Transmission is believed to occur through prolonged close contact with infected individuals.

Example 1: A patient presents with a single, pale, flat macule on their arm with slightly reduced sensation. A biopsy confirms indeterminate leprosy., A child has a few faded patches on their back and legs.Nerve involvement is not yet apparent.The diagnosis is indeterminate leprosy., A patient initially diagnosed with indeterminate leprosy several years prior now presents with more extensive skin lesions and nerve damage, indicating progression to a more severe form of the disease.

Documentation should include the number and characteristics of skin lesions (size, color, sensation), results of skin or nerve biopsies, and evidence of nerve involvement (sensory loss, muscle weakness).