Is this chickens toe ok?

[Bcmacias]

I noticed this white spot on my chicken’s foot...first time chicken owner here...is this a problem I need to address or will it go away? She is a Black Asian, currently broody and about 8 months old. She free ranges in our tiny backyard most everyday for several hours. No predator could have caused it. We had an extreme cold spell lasting a couple of weeks recently, got -8 degrees...maybe frostbite?

 

[Eggcessive]

It looks like the toe tip was frostbitten, and the pink is healthy tissue. She might lose her toenail, but that is not too bad.