Exposed Filter not shown in view which has a Custom Filter Handler
I would do this by adding a contextual filter, previously called an argument in D6 Views. You can set contextual filters / arguments in code when you embed a view. So, you could add a contextual filter for field_labpoints (not sure what kind of field this is) and pass along the argument you want to filter for when you embed the View in a .tpl file or a panel or whatever:

print views_embed_view('my_view_name', 'block_1', $labpoints_value);


This allows you to make the View more dynamic without tinkering with the existing filters.