Will an IRA contribution amount show up on Form 5498 if we did not contribute?

if you filed claiming a deduction,

either make the payment by April 18th, or amend your tax return.

If you e-Filed, you can e-File Form 1040-X once.

No, if you have an IRA but made no contributions for the year, the custodian generally won't send you a Form 5498 unless you have a required minimum distribution from the account.