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E2327 Power wheelchair accessory, head control interface, mechanical, proportional, including all related
electronics, mechanical direction change switch, and fixed mounting hardware ($1960 to $2307)
Coding Guideline (E2327)
A proportional, mechanical head control interface (E2327) is one in which a headrest is attached to
a joystick-like device. The direction and amount of movement of the patient's head pressing on the
headrest control the direction and speed of the wheelchair. A mechanical direction control switch is
included in the code.
E2328 Power wheelchair accessory, head control or extremity control interface, electronic, proportional,
including all related electronics and fixed mounting hardware ($3295 to $3878)
Coding Guideline (E2328)
A proportional, electronic head control interface (E2328) is one in which a patient's head
movements are sensed by a box placed behind the patient's head. The direction and amount of
movement of the patient's head (which does not come in contact with the box) control the direction
and speed of the wheelchair. A proportional, electronic extremity control interface (E2328) is one in
which the direction and amount of movement of the patient's arm or leg control the direction and
speed of the wheelchair.
E2329 Power wheelchair accessory, head control interface, contact switch mechanism, non-proportional,
including all related electronics, mechanical stop switch, mechanical direction change switch, head
array, and fixed mounting hardware ($1470 to $1731)
Coding Guideline (E2329)
A non-proportional, contact switch head control interface (E2329) is one in which a patient
activates one of three mechanical switches placed around the back and sides of their head. These
switches are activated by pressure of the head against the switch. The switch that is selected
determines the direction of the wheelchair. A mechanical stop switch and a mechanical direction
change switch are included in the allowance for the code.
E2330 Power wheelchair accessory, head control interface, proximity switch mechanism, non-
proportional, including all related electronics, mechanical stop switch, mechanical direction change
switch, head array, and fixed mounting hardware ($2833 to $3334)
Coding Guideline (E2330)
A non-proportional, proximity switch head control interface (E2330) is one in which a patient
activates one of three switches placed around the back and sides of their head. Movement of the
head toward the switch activates the switch, though the head does not touch the switch. The switch
that is selected determines the direction of the wheelchair. A mechanical stop switch and a
mechanical direction change switch is included in the allowance for the code
E2331 Power wheelchair accessory, attendant control, proportional, including all related electronics and
fixed mounting hardware (Non-covered by Medicare)
Coding Guideline (E2331)
An attendant control (E2331) is one, which allows a caregiver to drive the wheelchair instead of the
patient. The attendant control is usually mounted on one of the rear canes of the wheelchair. This
code is limited to proportional control devices, usually a joystick.
E2399 Power wheelchair accessory, not otherwise classified interface, including all related electronics and
any type mounting hardware (Individual Consideration)
This information is not intended to be, nor should it be considered billing or legal advice. Providers are responsible for determining
the appropriate billing codes when submitting claims to the Medicare Program and should consult an attorney or other advisor to
discuss specific situations in further detail. This information is subject to change without notice.
© 2004 Invacare Corporation Page 3 of 3 Rev. 03/04 JHS