Case HELP coded a stage 1 and stage 2 conducted same day got paid wrong

[Pramos54]

I coded like this, and didn't get paid correctly can someone help i think i put modifier on wrong
code
rev ACDF C7-T1, WITH ALLO, PCD C6-7 and C7-T1, PCF C3-T1, INSTRUMENTATION, ALLO, LOCAL, BG
Stage 1- anterior
acdf c7-t1 22551 $16100
removal ant instr 22855 $10000
allograft-structural 20931 $1250.00
allograft 20930 $1250.00
Stage 2-posterior
cervical foraminotomy 63020 $11200.00
addl level cervical foraminotomy 63035 $4500.00
PCF C7-T1 22600 $12300.00
add-on fusion level posterior C-spine 22614 4 units 4200.00
posterior instrumentation 6 segments 22842-58 Z$9500.00
local bone graft 20936 1500.00