been okay

(Have you) been OK?

A question about one's wellbeing. I haven't seen you in so long! Have you been OK?
See also: been

be OK

To be fine; to be not especially good or bad. A: "How have you been?" B: "Oh, I've been OK." These fries are OK, but they're not the best I've ever had.
See also: OK
Farlex Dictionary of Idioms.

(I've) been okay.

Inf. a standard response to a greeting inquiry that asks how one has been. Bill: Well, how have you been, good buddy? John: I've been okay. Sue: How you doing? Jane: Been okay. And you? Sue: The same.
See also: been, okay
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • OK
  • (Have you) been OK?
  • been okay?
  • (I've been) keeping out of trouble
  • be doing OK
  • be doing OK/okay
  • been keeping myself busy
  • (Have you) been keeping busy?
  • been keeping busy?
  • life and limb