How do I figure out if the insurance covers my birth control?

so I'm 17 and want to get the implanon, but I want to makes sure my dad's insurance covers it, but I'm wondering if there's a way to find out if it's covered without my dad finding out. My possible only options are telling my dad about it all or sneaking into his wallet to get the insurance card, call and ask myself.HELP!
How do I figure out if the insurance covers my birth control?
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