Laboratory & DNA Guide
Unlock the second-floor Lab, sample patient DNA, and brew every potion in Animal Hospital Roblox
By AnimalHospital.blog Team
Last updated:
The Laboratory is the headline feature of the Second Floor update. It lets you collect DNA from patients, mix it into serums, and either throw those serums at patients or drink them yourself for strange — sometimes dangerous — effects.
How to Unlock the Laboratory
- Standard mode: the second floor — and the Lab with it — unlocks after you complete your first ambulance visit.
- Skip-tutorial mode: the second floor is available from the start of the run.
- Unlocking grants you the DNA Sampler, the four DNA ingredients, and the full experiment chain (Sequencer, mixing table, and Vial Press).
The Four DNA Ingredients
Every recipe is a three-letter code built from these four items.
| Letter | Ingredient |
|---|---|
| A | Pink Jelly |
| C | Ginger |
| G | Milk |
| T | Purple Mushroom |
The 5-Step Lab Process
- Collect DNA: grab the DNA Sampler and use it on a patient in a bed. Healthy patients give a pink sample, anomalies give a green one.
- Sequence it: head to the second-floor Lab and load the sample into the Sequencer, then finish the sampling mini-game.
- Mix: add the three ingredients in order at the mixing table.
- Press the vial: a successful mix starts a 30-second timer; when it ends, take the result to the Vial Press to produce the glass vial.
- Use the serum: throw pink serums at other characters, or drink green serums yourself.
🌸 Pink Serums — Thrown at Patients
| Code | Effect |
|---|---|
| TTT | Patient becomes a Mimic and starts attacking (strongest pick) |
| AAA | Patient shrinks |
| CCC | Patient rapidly produces slime |
| GGG | Patient turns into a fish |
| TAG | Patient turns invisible |
| GAT | Patient catches fire |
| AGA | Patient's eyes change; looking at them drains Sanity |
| TTC | Patient becomes slow |
| GAC | Patient's fur keeps changing colour |
| CAG | Patient becomes slightly faster |
| ATT | Starts a fire |
| ACA | Gives the patient / NPC hair |
| CTT | Patient becomes extremely fast |
| GCG | Patient starts glowing |
💚 Green Serums — Drunk by You
| Code | Effect |
|---|---|
| CGT | You start dancing |
| ATA | You shrink |
| ACG | Shows the message "You drank a strange serum" |
| GTG | You turn into a Ghost |
| CAC | You turn into a Clown |
| TGC | Your detection range drops by 5 |
Recipe data caveat: these combinations were compiled from community testing (Pro Game Guides) and cross-checked against the Second Floor update footage. The source lists a few codes — CAC, GTG and TCT — on both its working and unstable lists, so treat them as unconfirmed. Animal Hospital is in active development; when sources disagree, the in-game result is final.
Second Floor & Lab Video Walkthroughs
FULL GUIDE To The SECOND FLOOR UPDATE In Animal Hospital! (New Lore, Secret Areas, Lab) Roblox
NoobBlox
Animal Hospital SECOND FLOOR UPDATE is HERE! (Roblox)
Mays
Frequently Asked Questions
How do you unlock the Laboratory in Animal Hospital?
The Laboratory sits on the brand-new second floor. It unlocks automatically after you complete your first ambulance visit. If you are playing in skip-tutorial mode, the second floor — and the Lab — is accessible right from the start of the run.
What are the four DNA ingredients?
The lab uses four ingredients, each mapped to a DNA letter: A = Pink Jelly, C = Ginger, G = Milk, and T = Purple Mushroom. You combine three of them in the lab to brew a serum.
What is the difference between pink and green serums?
Pink serums are thrown at patients, visitors, or NPCs to change them — for example TTT turns a patient into a Mimic that attacks. Green serums are drunk by you, the player, changing your own body or stats — for example GTG turns you into a Ghost and TGC lowers your detection range by 5.
How does the DNA Sampler work?
Pick up the DNA Sampler tool and use it on a patient lying in a bed to collect a sample. Healthy patients produce a pink sample while anomalous patients produce a green one. Carry the sample back to the second-floor lab and load it into the Sequencer to run the sampling mini-game.
Are all 64 DNA combinations valid?
No. There are 64 possible three-letter permutations, but only some are confirmed to produce a vial. Several combinations have been reported as unstable and yield nothing, and community sources disagree on a few of them (CAC, GTG and TCT appear on both the working and unstable lists). When sources conflict, treat the in-game result as final.
🔗 Continue Reading & Related Guides
Second Floor Event→
Live Sept 5–7: the expansion that added the Lab
Updates & Patch Notes→
Every Animal Hospital update in order
Emergency Events Guide→
Ambulance waves, Death Ritual, Bed Monster
Items Guide→
Tools, shop stock and treatment supplies
Full Walkthrough→
Shift-by-shift survival route
Journal & Achievements→
New Second Floor achievements checklist