| AIU | absolute iodine uptake; antigen-inducing unit |
|---|---|
| ALLA | acute lymphocytic leukemia antigen |
| AMLSGA | acute myeloblastic leukemia surface glycoprotein antigen |
| ANC | absolute neutrophil count; acid neutralization capacity; antigen-neutralizing capacity; Army Nurse C... |
| anti-HBc | antibody to hepatitis B core antigen |