subdiaphragmatic
adjective
sub·di·a·phrag·mat·ic
| \ ˌsəb-ˌdī-ə-frə(g)-ˈmat-ik, -ˌfrag-
\
\
Medical Definition of subdiaphragmatic
: situated, occurring, or performed below the diaphragm
a subdiaphragmatic abscess subdiaphragmatic vagotomy