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A woman resting on a treatment bed with TENS electrode pads on her thigh

Product information

TENS units and supplies

A small unit, electrode pads and the supplies to keep it working, ordered through your doctor or physical therapist.

What a TENS unit does

A TENS unit is a device that applies an electrical current to electrodes on the skin to treat pain.

Source: 21 CFR 882.5890

How a TENS unit works
A typical TENS kitA small handheld TENS unit with a display and controls. Two lead wires run from the top of the unit; each splits into two wires that clip to sticky electrode pads, four pads in all. A battery powers the unit.TENS unitLead wiresElectrode padsBattery
A typical two-channel TENS kit. Brands differ; follow the instructions that come with yours.

What the supplies include

  • Electrode pads
  • Conductive gel, if the pads need it
  • Tape or adhesive, if the pads need it
  • Adhesive remover
  • Skin preparation materials
  • Batteries, and a charger for rechargeable ones

Medicare's TENS supply allowance (code A4595) covers these items. Source: CMS Policy Article A52520

Pads, lead wires and supplies

Ask about a device

Please do not include medical details in this form. For a patient preauthorization, clinics use the preauthorization form.

Questions about your unit or a bill?

Call toll free. For customer care, ask for extension 508.

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