"was being admitted" is a correct and usable phrase in written English.
You can use it in situations where someone is entering a place, such as a school, hospital, or other facility. Example: The patient was being admitted to the hospital when his family arrived.
There were cases of trainees staying late to hand over the care of a patient, rather than force two handovers (eg, where a junior doctor would stay to complete an admission in A&E, rather than hand over to another FY2 doctor, who would then have to hand over to the specialty where the patient was being admitted), owing to concern for continuity of care and the risk of information being lost.
Quotes Josiah Quincy, congressman from Mass., when Alabama was being admitted to statehood, in 1819.
In March 2011, the government's law reform advice body recommended legislation to deal with concerns that scientific evidence was being admitted too readily and with too little scrutiny.
Mr. Fortner said that he was being released as Mr. Drake was being admitted on a drug charge unrelated to the attack.
Not long before Castillo was released from the hospital last Saturday, Yvonne Azeff was being admitted to Memorial Regional Hospital in Hollywood, Fla.
Separately, it emerged that the environment secretary, Owen Paterson, was being admitted to hospital for emergency surgery to repair a detached retina.
"Residents who are inappropriate for nursing homes are being admitted, sometimes under false pretenses".
More people with respiratory illnesses are being admitted to two Hanoi hospitals with which the W.H.O.
Make no mistake: we are being admitted into a well-defended environment.
They were being admitted slowly by police officers who resembled bouncers at a nightclub.
Again, a great throng, as Bush was to make several appearances during afternoon and people were being admitted in shifts.
