Find all issues without some labels

I have a solution, maybe not the best.

In row I display all my labels about teams, plus ‘All Labels’.

My calculation in Measures dimension is:

CASE [Label].CurrentMember.Name
WHEN "All Labels" THEN 
  NonZero(
    [Measures].[Issues created count]
    -
    ([Measures].[Issues created count],[Label].[TeamsLabels])
  )
ELSE
  NonZero([Measures].[Issues created count])
END

And with my first example, I have:

LabelTeam1 : 1 (A)
LabelTeam2 :  1 (B)
All Labels :  2 (C,D)

(And I have also rename ‘All Labels’ to ‘noTeamLabel’ to be clear with my users).

Thank you very much Lauma for your help. EazyBI is a great tool!