"It seems to be a key for the sickroom. Its tag says "402"."
— Item examination - English
"病室のカギのようだ タグに「４０２」と書かれている "
— Item examination - Japanese
The Sickroom Key (病室のカギ Byōshitsu no kagi ) is a key item featured in Resident Evil 3: Nemesis.
This key unlocks the door to Room 402 in the 4F passage. Initially, this closed door reads: "It's closed. The sign reads, "402".". The key can be discarded by Carlos after opening the sickroom. He will be asked about it on the system message.
The Sickroom Key can be found in the Data room. This key does not change its name after checking.
- BIOHAZARD 3 LAST ESCAPE OFFICIAL GUIDEBOOK. Famitsu. 1999.