Hi RW
Welcome to the forum, you might want to have a look at the following FAQ which explains where everything is
Welcome to Benefits and Work In case you are not aware, your real name appears to be showing in the forum, if you want to change this then follow the instructions in the following FAQ
My full name is showing, how can I stop it? In answer to your question, it is a DLA term,
HRM stands for High Rate Mobility, for new claimants unless you are a child under the age of 16, you would now have to apply for PIP. The mobility component is still there but the names of the rates have changed, you are now awarded either the standard or enhanced rate. (HRM DLA = enhanced mobility PIP).
Gary