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LM234: Used as a 10uA Current Sink

Part Number: LM234

Hello, I am currently using the LM234 in an unorthodox way. 

I have it hooked up in a way that is being used as a current sink, drawing 10uA from an LED that has 24V at the anode (below is a schematic).
Through my testing, I found that it works perfectly fine in this state. However, I'm concerned about part longevity

Does TI have any recommendations for me, or any data of this part being used in this way?