Hospital Chemical Lab Key Location in MW4 DMZ

Where the chemical lab door is

Head for the hospital's morgue. The lab door is plain brown wood with a narrow window strip, set in a corridor lined with white tiles, with a red fire extinguisher box on the wall nearby; the prompt reads Hospital Chemical Lab. The room with the steel body drawers is close by, so once you reach the drawers you are near.

Mirae General Hospital is Low threat, which makes this one of the gentler key runs on the map.

Where the lab key spawns

Go up to the seventh floor and check rooms 701, 702 and 703. The key is not in one of them every match, so search all three before giving up, then make your way to the morgue.

The chemical lockers inside, and their own key

The lab is a storeroom of steel shelves and plastic bins with three tall yellow double lockers along one wall, each shut with a padlock. Opening the lab door does not open them: every locker needs a Hospital Chemical Lockers key, and one key opens one locker.

That key is Rare and lies close by, on the steel carts and shelves of the white-tiled rooms around the morgue, so search those on your way in. Not every match has it there.

Temper your hopes for what is inside. An unlocked locker searches like Chemical Storage and pays out everyday crafting resources, Metals, Synthetics and Chemicals, so the pair of keys is better spent when you are already at the hospital than as a trip of its own. The building's other locked rooms are the Mirae Electrical Room and The Doctor's Command Office.

Other keys at Mirae General Hospital

• Mirae Electrical Room (grid F5)
• The Doctor's Command Office (grid F5)
• Hospital Chemical Lockers: One of the yellow chemical lockers inside the Hospital Chemical Lab at Mirae General Hospital. Each key opens one locker.

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