Starfleet is cool with Code 25, apparently
Source: Star Fleet Technical Manual (1975), ISBN 9780345340740
Source: Star Fleet Technical Manual (1975), ISBN 9780345340740
Source: Star Fleet Technical Manual, 1975, ISBN 9780345340740
From TNG S02E04. Genuinely annoys me that they couldn't think of a better joke.
DM: "Yes, the troubleshooters can easily track you if you carry your powered-on equipment through the orange zone."
P1: "Dang, we should have left our smartphones at home."
DM: "THEY'RE CALLED CYBERDECKS!"
P2: "What's the range of these tracking sensors?"
DM: "Uhm, I forgot which chapter this is in..."
P3: "Just CTRL+F it in the PDF I sent you to your cyberdeck"
DM: "THEY'RE CALLED SMARTPHONES!"