Getting a denial letter is tough, but don't panic. You have exactly 60 days to...

https://dlf-ne.org/what-is-form-ssa-561-and-do-i-need-it-for-reconsideration/

Getting a denial letter is tough, but don't panic. You have exactly 60 days to file an appeal. Submit Form SSA-561 for reconsideration. Rather than just listing diagnoses, explain how your symptoms limit your daily function