A skin biopsy may be needed to rule out other disorders.

Rarely, a skin biopsy may be done to rule out other conditions.

In particularly difficult cases, a skin biopsy may be needed to make or confirm a diagnosis.

In some cases, a skin biopsy is done to help to confirm the diagnosis.

The suspected diagnosis can be supported by a skin biopsy.

In unusual cases, a skin biopsy may be needed to confirm the diagnosis.

No further tests are usually necessary, though a skin biopsy may be used to confirm the diagnosis.

Although a skin biopsy showed no evidence of rejection last week, such a reaction can occur at any time.

If the diagnosis is in question, a doctor can confirm the condition with a skin biopsy.

If melanoma is suspected, a skin biopsy will be done.