Yes, yep you are! Welcome.
Im sure plenty of people will ask you questions about how he got that diagnosis. I am going on the assumption you are in the US but if not, that makes more sense.
10 is awful young for a CD diagnosis. Not saying it cant happen but its still young. Normally the progression would be from ODD to CD which has to be diagnosed before the 15th birthday and then if there are still problems after the person becomes an adult it can stay CD or if behaviors escalate it can be a personality disorder....normally antisocial.
There are people here who dont believe in the CD label but Im not one of them. I do. Yes there are other disorder's that can look like conduct disorder but conduct disorder isnt given until doctor's have ruled out other mental illnesses. I would assume if you have that diagnosis he must have been tested quite a bit.
Now, if I am wrong and your son hasnt been thoroughly tested to rule out any mental illnesses then you really would want to do that because the actual treatments for each thing can be different.