yes they use it quite often but technically they should say: "Citrus 598 climbing through two thousand four hundred for one zero thousand."
phrases such as the following should be avoided;
"for", "out of", "at", "up to", "down to"
(a) When operating in a radar environment: On initial contact, the pilot should inform the controller of the aircraft's assigned altitude preceded by the words "level," or "climbing to," or "descending to," as appropriate; and the aircraft's present vacating altitude, if applicable.
1. (Name) CENTER, (aircraft identification), LEVEL (altitude or flight level).
2. (Name) CENTER, (aircraft identification), LEAVING (exact altitude or flight level), CLIMBING TO OR DESCENDING TO (altitude of flight level).
"KROC departure, Citrus 598, leaving two thousand four hundred, climbing to one zero thousand."