UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION
CLINICAL POLICY AND PROCEDURE
TITLE: VERRUCA FREEZE FOR CONDYLOMA
Effective Date: January, 2005 Approval: See Authorization
Supersedes Protocol: None Contact: Clinical Staff Education
Reviewed April 2008 April 2010 March 2012
PURPOSE: To provide guidelines for preparation and follow-up for patient undergoing a Verruca freeze for
condyloma at a UWMF Clinic.
DEFINITION: A Verruca freeze treatment destroys condyloma and other benign lesions through
POLICY: The provider staff will utilize the following guidelines to prepare a patient for a Verruca freeze for
SUPPLIES: Provider’s order, Gloves, Alcohol swabs
5% Acetic acid and swab to identify all lesions (condyloma turn white with application),
Verruca freeze and limiting cones
Verruca Freeze consent form
1. Verify provider order.
2. Identify the patient by full name and date of birth.
3. Explain the procedure to the patient and answer any remaining questions.
4. Following the provider’s discussion/explanation of procedure with patient, have patient sign Consent for
Procedure and sign consent form as a witness.
5. Wash hands, glove, goggle, and mask (if viral).
6. Position the patient comfortably on the exam table, in a supine position.
7. Apply 5% acetic acid to the area with a swab to identify all lesions.
8. Prior to cryotherapy, swab lesion/surrounding area with an alcohol pad.
9. Select a limiting cone up to 1mm larger than the diameter of the lesion being frozen and press it into the
skin surrounding the lesion.
10. Apply gentle pressure to the trigger, aiming the Verruca against the cone in a light spray to minimize
11. Fill cone until ~1/8 inch of cryogen accumulates and begins to bubble (2-6 seconds).
12. The cone should remain firmly in place until the agent evaporates or bubbles off (~20-30 seconds).
13. A white ice-ball should be present for 45-55 seconds and signifies the thawing stage (this is when tissue
14. Steps 5-9 may be repeated if the lesion is > 5 mm in size.
15. A bandage is not generally indicated. Instruct the patient on care and follow up needed.
16. Limiting cones should be autoclaved or soaked in a bactericidal solution prior to reuse.
17. Assist with follow-up appointment (if needed).
18. Documentation in Progress Notes section of HealthLink in the patient’s record:
medications given utilizing .medinclinic smartphrase
how the patient tolerated the procedure
discharge instructions and follow-up appointment (if needed)
WRITTEN BY: Gail Jahnke, R.N., N.P., Department of Urology
Deb Brausen, R.N., Manager, Department of Urology
REVIEWED BY: Donnette Kelly, R.N., Department of Urology, 2012
Department of Surgery, Urology Date
Medical Director Date