I'd like to have an AIDS test on the same day.

In night inspections, Saturday inspections, and Sunday inspections, "same-day inspections" that show the results on the day of the inspection are performed free and anonymously.
It's a blood test.

[Night Inspection]
1st and 3rd Wednesday 6:30 pm to 8:30 pm
[Saturday inspection]
Every Saturday from 2:00 pm to 5:00 pm
[Sunday inspection]
2nd and 4th Sunday from 2:00 pm to 5:00 pm
※Holidays and New Year holidays are closed.
※It may be canceled due to stormy weather or infectious disease epidemic situation.

[Night Inspection]
Port Town clinics (7-6 Kanakocho, Kanagawa-ku, Yokohama)
JR Yokohama Station Kita East Exit A 6-minute walk, Keikyu Kanagawa Station, 3-minute walk (no parking lot). Please use public transportation.
[Saturday inspection]
Tuberculosis Prevention Association Central Health Consultation Center (3-191-7 Nakamura-cho, Minami-ku)
A 10-minute walk from Bandobashi Station on the Municipal Subway, a 15-minute walk from Koganecho Station on the Keikyu Line, and a 5-minute walk from Urafunecho Bus Stop (no parking lot). Please use public transportation.
[Sunday inspection]
Kanagawa Preventive Medicine Association Central clinics (58, Nihon Odori, Naka-ku)
A 5-minute walk from JR/Municipal Subway Kannai Station and a 3-minute walk from Minato Mirai Line Nihon-odori Station. Please use public transportation.

[Night Inspection]
Reservation site https://health-kanagawa.net/yokohama/ (outside site)
(Reservation starts on the day after the inspection is completed.)
[Saturday/Sunday inspection]
Yokohama-shi electronic application (reservation is possible from 9:00 am two weeks before user registration unnecessary inspection date)
Reservation page (external site) (external site) Select the procedure list (for individuals) and enter "HIV" (uppercase / half-width) in keyword search.
How to use Yokohama-shi electronic application (PDF: 417KB) (PDF: 417KB)

①Inspection explanation
②Blood collection
③Explanation of results
・The explanation will be given by the doctor.
・It takes about 1 hour to 1.5 hours from reception to explanation of the results, but you may have to wait due to congestion.
・If less than three months have passed since the act of concern about infection, the correct result may not be obtained.

About HIV/AIDS…Yokohama-shi homepage
HIV testing and consultation map (outside site)…Information on HIV testing venues nationwide, etc.

I'd like to have an AIDS test.