HCG level at 10 dpo

Elaina`sMama • Got BFP on 11/18/15 with baby #1 - she was born on my birthday, July 25, 2016. Planning to start trying for #2 in July 2018 😊😊😊
Hey ladies! Has anyone had blood work at 10 dpo? I did today and my HCG level is 21.. Wanting to know if that is good or not. I had a CP in sept so I am very nervous.