code/modules/mob/living/blood_types.dm 
| /datum/blood_type/human/a_minus | A- |
|---|---|
| /datum/blood_type/human/a_plus | A+ |
| /datum/blood_type/human/b_minus | B- |
| /datum/blood_type/human/b_plus | B+ |
| /datum/blood_type/human/ab_minus | AB- |
| /datum/blood_type/human/ab_plus | AB+ |
| /datum/blood_type/human/o_minus | O- |
| /datum/blood_type/human/o_plus | O+ |
| /datum/blood_type/animal | Y- |
| /datum/blood_type/lizard | L |
| /datum/blood_type/ethereal | LE |
| /datum/blood_type/oil | Oil |
| /datum/blood_type/meat | MT- |
| /datum/blood_type/clown | April fool's blood for clowns |
| /datum/blood_type/slime | Slimeperson blood, aka 'toxin' blood type TOX |
| /datum/blood_type/water | Podpeople blood H2O |
| /datum/blood_type/snail | Snail blood S |
| /datum/blood_type/random_chemical | An abstract-ish blood type used particularly for species with blood set to random reagents, such as podpeople |