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L4100 — Replace leather cuff kafo, proximal thigh

HCPCS Level II L-code · short descriptor: “Repl leath cuff kafo prox th”

Code system
HCPCS Level II
Family
L — Orthotics & prosthetics
Medicare coverage status
Carrier judgment — coverage decided by the DME MAC
DMEPOS payment category
Prosthetics & orthotics
Prior authorization
Not on Medicare required-PA list
Status
Active (April 2026 HCPCS)

Prior authorization

Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.

L4100 Medicare fee schedule (April 2026)

Base (no modifier) Prosthetics & orthotics

Medicare allowable ranges from $119.86 to $171.33 depending on state and rural status.

Former-CBA payment limits: ceiling $159.82 · floor $119.86

StateNon-ruralRural
AK$159.34
AL$122.63
AR$134.81
AZ$159.82
CA$159.82
CO$119.86
CT$135.65
DC$137.45
DE$137.45
FL$122.63
GA$122.63
HI$170.35
IA$126.41
ID$159.82
IL$124.81
IN$124.81
KS$126.41
KY$122.63
LA$134.81
MA$135.65
MD$137.45
ME$135.65
MI$124.81
MN$124.81
MO$126.41
MS$122.63
MT$119.86
NC$122.63
ND$119.86
NE$126.41
NH$135.65
NJ$148.89
NM$134.81
NV$159.82
NY$148.89
OH$124.81
OK$134.81
OR$159.82
PA$137.45
PR$171.33
RI$135.65
SC$122.63
SD$119.86
TN$122.63
TX$134.81
UT$119.86
VA$137.45
VI$148.89
VT$135.65
WA$159.82
WI$124.81
WV$137.45
WY$119.86
Amounts are the Medicare DMEPOS fee-schedule allowables effective April 2026. Medicare typically pays 80% of the allowable after the Part B deductible; the patient owes 20%. A 2% sequestration reduction applies to the Medicare share. Former competitive-bidding-area adjustments and non-continental rates can differ — verify with your DME MAC.

Common denial codes to watch

Related L-codes

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