outside of specific tests typically for cancer, things like an appendix are preserved in formalin. Outside of that its hospital/lab policy on whether they let you have it back if you want it. Usually extra paperwork and depends on what the specimen is as some tests destroy it as a part of the process.
kaldicuck t1_je7ox1w wrote
Reply to comment by 3L3M3NT4LP4ND4 in eli5 What do blood labs do with your blood after they have tested it? by ratboy_r97
outside of specific tests typically for cancer, things like an appendix are preserved in formalin. Outside of that its hospital/lab policy on whether they let you have it back if you want it. Usually extra paperwork and depends on what the specimen is as some tests destroy it as a part of the process.