This is a cut and paste from:
(Revised 04/26/21) The current Public Health Emergency (PHE) period has been extended through 07/20/2021. https://www.phe.gov/emergency/news/healthactions/phe/Pages/COVID-15April2021.aspx
Referral Requirements
In-Network Providers: Referral requirements (if required by customer’s benefit plan) are waived for in-network provider services through 07/20/2021.
Out of Network Providers: Referral requirements (if required by customer’s benefit plan) are waived for out-of-network provider services through 07/20/2021.
Cigna MA Referral Requirements
Link to the full Guideline: https://medicareproviders.cigna.com/static/medicareproviders-cigna-com/docs/coronavirus-billing-guidelines-faq.pdf