MyMedi-AI

L6638 — Upper extremity addition to prosthesis, electric locking feature, only for use with manually powered elbow

HCPCS Level II L-code · short descriptor: “Elec lock on manual pw elbow”

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.

L6638 Medicare fee schedule (April 2026)

Base (no modifier) Prosthetics & orthotics

Medicare allowable ranges from $3005.49 to $3306.01 depending on state and rural status.

Former-CBA payment limits: ceiling $3667.77 · floor $2750.83

StateNon-ruralRural
AK$3005.49
AL$3095.98
AR$3095.69
AZ$3005.49
CA$3005.49
CO$3113.07
CT$3005.49
DC$3005.49
DE$3005.49
FL$3095.98
GA$3095.98
HI$3005.49
IA$3064.21
ID$3005.49
IL$3079.31
IN$3079.31
KS$3064.21
KY$3095.98
LA$3095.69
MA$3005.49
MD$3005.49
ME$3005.49
MI$3079.31
MN$3079.31
MO$3064.21
MS$3095.98
MT$3113.07
NC$3095.98
ND$3113.07
NE$3064.21
NH$3005.49
NJ$3005.49
NM$3095.69
NV$3005.49
NY$3005.49
OH$3079.31
OK$3095.69
OR$3005.49
PA$3005.49
PR$3306.01
RI$3005.49
SC$3095.98
SD$3113.07
TN$3095.98
TX$3095.69
UT$3113.07
VA$3005.49
VI$3306.01
VT$3005.49
WA$3005.49
WI$3079.31
WV$3005.49
WY$3113.07
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

Bill L6638 with confidence

MyMedi-AI scrubs whole claims against NCCI pairs, MUE limits, modifier rules, and PA flags before you submit — built for DME teams, no PHI stored on our servers.

Start free trial   Run a CMS-0057-F readiness check

Prefer DIY compliance? Self-audit documentation kits for DME suppliers →