'Outpatient_Service' => sub {
	if (exists $_[1]->{Outpatient_Clinic}) 
	{
       if ( exists $_[1]->{Outpatient_Clinic}->{Other} )
		{
			return $_[1]->{Outpatient_Clinic}->{Description} => 1
		}
		else
		{
			return $_[1]->{Outpatient_Clinic}->{AM_Key} => 1 
		}
    } 
	elsif ( exists $_[1]->{Outpatient_Clinic_Special} ) 
	{
		return $_[1]->{Outpatient_Clinic_Special}->{Description} => 1; # as a way out.
	}
	else
		{ }
},