Skin scrapping

Sample type

• The scrapings from the skin.

Uses

• is a test to diagnose a fungal infection of the skin .

Precautions

• There is no special preparation for the test.

Interfering factors

In some cases, the test may fail to detect a fungal infection. This result could be because there was no fungus present, or in situations where:

• there are not enough fungal cells in the sample

• the fungal organisms grow very slowly, making them hard to see

• the specimen was not stored correctly or received by the lab soon enough

• a person used antifungal medications at home before having the sample taken

Pre analytical errors

1) incorrect collection of the sample

Corrective action

1) Patients should always follow their doctor’s advice about what to do before, during, and after a medical procedure.

Post analytical errors

1) failure to report test results( Writing a wrong result in the report)

Corrective action

1) If the report is not delivered to the patient and this error is discovered the correct result must be written.

Reference ranges

• Positive ( present of fungus)

• Negative ( no present of fungus)