Wages & stock compensation › F8959.18
F8959.18 · federal · F8959 line 18
Total additional Medicare tax
500
engine v3
not yet verified
How this number was built
R-SUM Arithmetic combination of the listed input lines.
Inputs (2)
Flows into
History — nothing is overwritten
v1 · 2026-03-04: 500v2 · 2026-03-19: 500v3 · 2026-06-23: 500
Adjust this number
Evidence & discussion
Record how you verified it