
Analyze Blood Specimen to unlock the ability to craft new items in Resident Evil Requiem (RE9). Check out the solution for the blood specimen analyzer located in the Blood Lab and the location of each Blood Specimen.
List of Contents
| Denatured | Converged | Reversible | Polymerized |
![]() Blood Specimen (Denatured) |
![]() Blood Lab |
| Solution: Click the middle square | |
The Blood Specimen (Denatured) can be found in the Blood Lab alongside the Blood Collector. To solve this puzzle, just click the middle square, and this will give you the ability to craft the Handgun Ammo and Hemolytic Injectors.
![]() Analyzer Blood Specimen (Converged) |
![]() Ward Office |
| Solution: Top middle square > 2nd square from bottom. | |
The Blood Specimen (Converged) can be found inside the Closet in the Waiting Room on the East Wing.
You will need to get the ID Wristband (Level 1) to unlock the office, which can be found on the dead researcher's body on the 2nd floor of the East Wing, just past the Lead Researcher's Office. Note that this is where you will encounter the Chunk boss fight, so either lure it away or kill it before getting the wristband.
To solve the puzzle, click the top middle square first and then the second square from the bottom. This will let you unlock the ability to craft Med Injectors and 12.7x55mm Ammo.
![]() Analyzer Blood Specimen (Reversible) |
![]() Blood Lab |
| Solution: Bottom-left corner square > middle square > top-right square > second square from the top one. | |
The Blood Specimen (Reversible) is also found in the Blood Lab but is locked behind a security door that also requires the ID Wristband (Level 1), which can be found on the dead researcher's body on the 2nd floor of the East Wing, just past the Lead Researcher's Office.
To solve the puzzle, click the bottom-left corner square first, and then the middle square, then click the top-right square, and then the second square from the top one. This will let you unlock the ability to craft Steroids and Stabilizers.
![]() Analyzer Blood Specimen (Polymerized) |
![]() Blood Lab |
| Solution: Second square on the left > second square on the right > second square on the middle. | |
The Blood Specimen (Polymerized) can be found next to the Pantry Key inside the Closet in the Waiting Room. However, this blood specimen is only available in Insanity difficulty.
To solve the puzzle, click the second square on the left first, then the second square on the right, and lastly the second square on the middle. This will let you unlock the ability to craft the R.I.P. Knife and Handgun Ammo x30.
You will need to transform every square node into a circle node to complete the puzzle. However, you can only click square nodes, which will transform the connected nodes into either a square (if they are a circle) or circle (if they are a square).

| All Puzzles and Solutions | |
|---|---|
| All Moon Puzzle Solutions | |
| Chairman's Office Puzzle Solution | Lead Researcher's Office Puzzle Solution |
| Organ Transport Box Puzzle Solution | Organless Corpse Solution |
| Analyzer Blood Specimen Puzzle Solution | Hourglass Puzzle Solution |
| RPD Briefcase Code Solution | Barry's Scavenger Hunt Solution |
| The Final Puzzle Walkthrough | |
Analyzer Blood Specimen Puzzle Solutions

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In Insanity you get Polymerized Blood which can be found in the Closet next to the Waiting Room. It makes you craft the R.I.P. Knife and 30 Handgun Bullets. The solution for Minimum steps: Left Middle. Right Middle. The one at the center.