Swab (Skin)

What is the Skin Swab Test?

A skin swab test involves collecting a sample from the surface of the skin, a wound, or a lesion using a sterile swab. The sample is analysed in a laboratory to detect bacterial or fungal organisms responsible for infection.

This test is commonly used to investigate infected wounds, ulcers, rashes, surgical sites, and non-healing skin lesions. It helps distinguish between colonisation and true infection.

Skin swab testing is particularly valuable when skin symptoms persist, worsen, or fail to respond to initial care.

Why do I need a Skin Swab test?

Skin infections can range from mild to severe and may spread if not accurately identified. Many skin conditions appear similar, making laboratory confirmation important.

You may need this test if you experience:

• Redness, swelling, or warmth of the skin
• Discharge, pus, or crusting
• Non-healing wounds or ulcers
• Pain or tenderness at a skin site
• Recurrent skin infections
• Skin breakdown after injury or surgery
• Rashes with signs of infection

Testing supports accurate identification and appropriate clinical follow-up.

Benefits of the test

1. Identifies bacterial or fungal infection
   Confirms the cause of skin symptoms.
2. Supports wound assessment
   Useful for infected or slow-healing wounds.
3. Distinguishes infection from colonisation
   Helps clarify clinical significance.
4. Useful for recurrent skin issues
   Helps identify underlying causes.
5. Quick and minimally invasive
   Swab collection is simple and well tolerated.
6. Guides further medical evaluation
   Results support appropriate next steps.
7. Applicable to multiple skin sites
   Can be taken from various affected areas.
8. Reduces diagnostic uncertainty
   Provides laboratory confirmation rather than assumptions.

Step-by-step: How we offer testing

Clinic-based testing (UK-wide)

• Choose your nearest UK clinic
• Attend your appointment
• A clinician takes a swab from the affected skin area
• Sample is sent to the laboratory
• Results are issued once analysis is complete

Home or hotel visit (+£60, UK-wide)

• Book a mobile clinician
• Skin swab taken at your home or hotel
• No clinic visit required
• Sample securely transported to the laboratory

Your results explained

Negative (no infection detected)

• No clinically significant organisms identified
• UK standard: No growth / not detected
• Suggests no active skin infection

Low-level growth / colonisation

• Small amounts of bacteria or fungi detected
• UK standard: Scant growth / colonisation
• May represent normal skin flora

Positive (infection detected)

• Pathogenic organism identified
• UK standard: Organism reported by name
• Indicates active skin infection