Must one wash his entire hand if only part of it touched the normally covered area?<a href="#_ftn1" name="_ftnref1">[1]</a>
One must wash the entire hand, up until the wrist, even if he only touched the covered area with a single finger. [If however his fingers did not touch the area, but rather only his palm or back of the hand, some write washing is not required.<a href="#_ftn2" name="_ftnref2">[2]</a>]
<a href="#_ftnref1" name="_ftn1">[1]</a> Ketzos Hashulchan 2:11; Eretz Chemda brought in Kaf Hachaim 4:86; M”B 4:57
<a href="#_ftnref2" name="_ftn2">[2]</a> Piskeiy Teshuvos 4:23 in name of Chazon Ish

Shulchan Aruch HaRav | ❓Must one wash his entire hand if only part of it touched the normally covered area?

Must one wash his entire hand if only part of it touched the normally covered area?[1] One must wash the entire hand, up until the wrist, even if he only touched the covered area with a single finger.