In a large soup pot, add 9 cups of chicken broth, carrot, celery, and onion, Bring to a boil over medium high heat.
Add frozen egg noodles to the pot and return to a boil. Then reduce to a simmer. COver and cook for 15 minutes.
Add in the wild rice mix along with the seasoning packet.Cook for 5 more minutes.
In a small bowl, whisk together the remaining 1 cup of chicken broth with the flour, salt, pepper, and poultry seasoning until smooth.
Slowly add the flour mixture into the soup bot stirring constantly. Bring to a boil and boil for 1 minute until thickened. Slowly add in the half and half followed by the cooked chicken. Cook until chicken is heated through.