Alphabetic index · F
Fluid
Sub-terms
abdomenR18.8
chestJ94.8
jointsee Effusion, joint
loss (acute)E86.9
lungsee Edema, lung
overloadE87.70
specified NECE87.79
peritoneal cavityR18.8
pleural cavityJ94.8
retentionR60.9
Index entries point you to a code — always verify it in the tabular list before assigning.