preauthorization
The correct spelling for surgeries is "surgeries." For medically, the correct spelling is "medically."
It may have been necessary, but was it:Done correctly?Done on the correct patient at the agreed upon time?Done with proper and adequate anesthesia?Done on the indicated part of the body?Done by a fully accredited and authorized provider?Done with informed concent by the person receiving it or by an authorized representative?Done with properly trained assistance and correct, sterile equipment?Done after properly determining that it was medically indicated?
Procedure is correct.
desribe the correct tighting procedure for the wheel bearing
Neither is correct. You say "If you feel it is necessary" or "If you feel that it is necessary."
The correct spelling of necessary is necessary. Very simple. ( Actually it's in the question.)
First it is necessary a correct chemical analysis of this compond, with the goal to establish the empirical chemical composition.
Yes, "procedure" is the correct spelling.
No. I have undergone a dental procedure
to determine what problem exist and how to correct them
to create perfect vision, the lens is prescribed to correct the imperfections of the eye. The procedure is as a result of a consultation between you and the optician which will determine what lens are required
The correct spelling is "necessary."