Going through the list cause most of my characters are disabled :D -

Daniel -
Actual corpse. He spits up blood regularly and is in constant pain. Aside from that, he has Attention-Deficit Hyperactivity Disorder. Probably something else in that head of his, but we can't be sure.
Terry -
Borderline Personality Disorder and Attention-Deficit Hyperactivity Disorder. :3
Ulan -
PTSD w Survivor's Guilt and an unknown chronic pain [ refuses to be seen for it ],
Dana -
Bipolar I.
Esme -
Borderline Personality Disorder, PTSD w Survivor's Guilt, and an Amputee.

Baseball -
Her limbs are constantly fall off + she's missing an eye. She's a struggler 😭😭😭 She also has Attention-Deficit Hyperactivity Disorder, Borderline Personality Disorder, and CPTSD.
Flamethrower -
Autism + Light Sensitivity.

Superball -
Her arm got torn off and is missing an eye [ which she was blind before losing it entirely ]. She also has PTSD and Bipolar I.
Ram -
There's a lot wrong with him. 🤫
Richard/Redcliff -
Missing an arm and losing his ability to see oops.

Headcannons -
Medkit - Fibrofreak + Phantom Pains + BPD + Autism
Mark - BPD + AuDHD

Probably missing some buttt here ya go