LAC (left antecubital)

LACC (Lupus Activity Criteria Count)

lact (lactating)

LAD (left anterior descending)

LAD (left axis deviation)

LAD (leukocyte adhesion deficiency)

LADD (lacrimo-auriculo-dento-digital)

LAE (left atrial enlargement)

LAFa (left anterior forearm)

LAFB (left anterior fascicular block)