Heal checks for injury status?

[HandofMystra]

I have seen many DMs require a heal check to know how injured a creature is. I have also seen heal checks required to know how a creature died. Is there anything in RAW covering this. I have not been able to find it in the Heal skill.

 

[Nebten]

I have seen many DMs require a heal check to know how injured a creature is. I have also seen heal checks required to know how a creature died. Is there anything in RAW covering this. I have not been able to find it in the Heal skill.

As for how a creature died, those DCs can be found in Complete Adventurer page 101.