For those of us still following 1809, even though time might be running out for support.
The Patch Lady may not be following the 1809 manual patches because KB4532693 applies to 1903. Looking on the Microsoft Support site, there are currently two 1809 Patches
Feb. 10/11: KB4532691 – http://www.catalog.update.microsoft.com/Search.aspx?q=KB4532691
Feb. 24: KB4537818
According to the Service Stack Update (SSU) list (https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV990001) the last 1809 SSU is Nov 2019, KB4523204.