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K4

Lwr ext prost functnl lvl 4

✓ CURRENT — JULY 2026
Source: CMS
Imported: Aug 10 2026

Full descriptor

Lower extremity prosthesis functional level 4 - has the ability or potential for prosthetic ambulation that exceeds the basic ambulation skills, exhibiting high impact, stress, or energy levels, typical of the prosthetic demands of the child, active adult, or athlete.

Details

Code
K4
Short descriptor
Lwr ext prost functnl lvl 4
Code set
HCPCS Modifiers
Release
July 2026
Status
Active
Added
Jan 1 1993

Nearby codes

Code sets are published in blocks, so neighbours are usually related.

K3

Lwr ext prost functnl lvl 3

K2

Lwr ext prost functnl lvl 2

K1

Lwr ext prost functnl lvl 1

K0

Lwr ext prost functnl lvl 0

KA

Wheelchair add-on option/acc

KB

>4 modifiers on claim

KC

Repl special pwr wc intrface

KD

Drug/biological dme infused

Sources

Reference information only. Not billing advice. Verify against the payer before you file.