Here are the UFC 251 medical suspensions (via MMA Fighting):
Kamaru Usman: suspended 180 days or until cleared by nasal X-ray, 21 days no contact.
Jorge Masvidal: suspended 30 days for forehead laceration, 21 days no contact.
Alexander Volkanovski: suspended 30 days due to hard bout, 21 days no contact.
Max Holloway: suspended 30 days due to hard bout, 21 days no contact.
Petr Yan: suspended 30 days due to hard bout, 21 days no contact.
Jose Aldo: suspended 45 days due to TKO, mandatory 30 days no contact.
Rose Namajunas: suspended 30 days with 21 days no contact.
Jessica Andrade: suspended mandatory seven days.
Amanda Ribas: suspended mandatory seven days.
Paige VanZant: suspended mandatory seven days.
Jiri Prochazka: suspended mandatory seven days.
Volkan Oezdemir: suspended 60 days due to KO, 45 days no contact.
Elizeu Zaleski: suspended mandatory seven days.
Muslim Salikhov: suspended mandatory seven days.
Makwan Amirkhani: suspended mandatory seven days.
Danny Henry: suspended mandatory seven days.
Leonardo Santos: suspended 45 days due to hard bout, 30 days no contact.
Roman Bogatov: suspended 30 days due to hard bout, 21 days no contact.
Marcin Tybura: suspended mandatory seven days.
Maxim Grishin: suspended 180 days or until cleared by nasal X-ray, 21 days no contact
Raulian Paiva: suspended 30 days with 21 days no contact.
Zhalgas Zhumagulov: suspended 30 days with 21 days no contact.
Karol Rosa: suspended mandatory seven days.
Vanessa Melo: suspended mandatory seven days.
Davey Grant: suspended 180 days or until cleared by oral maxillofacial doctor, 30 days no contact.
Martin Day: suspended 60 days due to KO, 45 days no contact.