The C#m9b5 chord (C sharp half diminished 9) contains the notes C#, E, G, B and D#. It is produced by taking the 1 (root), b3, b5, b7 and 9 of the C# Major scale. It can often be used as a substitute for the C# half diminished chord. Here’s how to play it.

10 Ways To Play The C#m9b5 chord

If you’ve come to this page just to view some chord diagrams for C#m9b5, here they are.

C Sharp Half Diminished 9 Chord 10 Shapes