Yes - there is no age upper limit written in the law. However it does include this exception at [29 U.S. Code § 623(f)(1)](https://www.law.cornell.edu/uscode/text/29/623): allowing an employer -

> (1) to take any action otherwise prohibited under subsections (a), (b), (c), or (e) of this section where age is a bona fide occupational qualification reasonably necessary to the normal operation of the par­ticu­lar business,

and there may be actual job requirements that a specific older person might not be able to perform and therefore they would be eliminated from further consideration legally.