L3510 HCPCS code: Orthopedic shoe addition, insole, rubber

L3510 is the HCPCS Level II code for orthopedic shoe addition, insole, rubber. The 2026 Medicare DMEPOS fee schedule pays $35.09 to $38.58 depending on the state. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 2 per day on DME suppliers. Its average fee ranks 4 of 11 L35 codes (family range $10.89–$104.23).

Code details

FieldValue
SectionL codes — Orthotic and prosthetic procedures and devices
Coverage codeD — Special coverage instructions apply
Pricing indicator00 — Not separately priced by Medicare
BETOS categoryD1F — Prosthetic and orthotic devices
Added1986-01-01
Last action effective1999-01-01

2026 Medicare DMEPOS fee schedule for L3510

ModifierMeaningLowest state feeHighest state feeCeilingFloor
—base fee$35.09$38.58$42.82$32.12
StateModifierFeeRural fee
AK—$35.09—
AL—$36.18—
AR—$36.18—
AZ—$35.09—
CA—$35.09—
CO—$36.31—
CT—$35.09—
DC—$35.09—
DE—$35.09—
FL—$36.18—
GA—$36.18—
HI—$35.09—
IA—$35.75—
ID—$35.09—
IL—$35.93—
IN—$35.93—
KS—$35.75—
KY—$36.18—
LA—$36.18—
MA—$35.09—
MD—$35.09—
ME—$35.09—
MI—$35.93—
MN—$35.93—
MO—$35.75—
MS—$36.18—
MT—$36.31—
NC—$36.18—
ND—$36.31—
NE—$35.75—
NH—$35.09—
NJ—$35.09—
NM—$36.18—
NV—$35.09—
NY—$35.09—
OH—$35.93—
OK—$36.18—
OR—$35.09—
PA—$35.09—
PR—$38.58—
RI—$35.09—
SC—$36.18—
SD—$36.31—
TN—$36.18—
TX—$36.18—
UT—$36.31—
VA—$35.09—
VI—$38.58—
VT—$35.09—
WA—$35.09—
WI—$35.93—
WV—$35.09—
WY—$36.31—

How the L3510 fee compares

MeasureValue
Rank among 11 L35 codes (lowest = 1)4
Family fee range (average of state fees)$10.89–$104.23
Rural fee uplift—

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
DME suppliers2Anatomic Consideration
outpatient hospital claims2Anatomic Consideration

What changed for L3510

Frequently asked questions

What is HCPCS code L3510?

L3510 is the HCPCS Level II code for orthopedic shoe addition, insole, rubber. Short descriptor: "Orthopedic shoe add rub insl".

How much does Medicare pay for L3510?

Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $35.09–$38.58. Rural fees can be higher.

Does Medicare cover L3510?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Did the Medicare fee for L3510 change in 2026?

The average non-rural state fee moved from $35.07 in 2025 to $35.77 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.

How many units of L3510 can be billed per day?

2 on DME suppliers; 2 on outpatient hospital claims (NCCI medically unlikely edits).

Related L35 codes

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Next steps

Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

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