Wrong ... you will have excess contributions ... max allowed for 2018 is 6,900 (7,100 if over 55).
The annual HSA contribution limit is $6,900 for those covered under qualifying family medical plans (up from $6,750 in 2017). But if you're 55 or older in 2018, you can contribute an additional $1,000, or total of $4,450 to an HSA for singles and $7,900 for families per year.
IRS allows higher retirement savings account limits for 2018 - CBS News
https://www.cbsnews.com/news/irs-allows-higher-retirement-savings-account-limits-in-2018/
