Normally your finger temperature will return to normal within 15 minutes after the cold water exposure.
What abnormal results mean
You may have Raynaud's phenomenon if your finger temperature takes greater than 20 minutes to return to pre-bath temperature.
Review Date: 05/18/2009
Reviewed By: Mark James Borigini, MD, Rheumatologist in the Washington, DC Metro area. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.