
1) Bygone medical service 2) Medical rarity, these days 3) Visit from a doctor
Found on
https://www.crosswordclues.com/clue/housecall

HouseCall is a free, online virus scanning service for computers using the Windows operating system. Housecall is operated by the anti-virus company Trend Micro Incorporated who sell 'PC-cillin' the anti-virus software. Housecall operates by sending a program to the users computer which is then communicated with through an Active-X control. An erro...
Found on
http://www.probertencyclopaedia.com/L4A.HTM
No exact match found.