| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
|---|---|
| CD4 | HIV helper cell count |
| ACD | absolute cardiac dullness; absolute claudication distance; acid-citrate-dextrose [solution]; actinom... |
| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |
| AGC | absolute granulocyte count; automatic gain control |