CPT 97033, 97033 CPT, CPT Code 97033, 97033 CPT Code, 97033, iontophoresis

CPT Code 97033 | Iontophoresis

CPT 97033 can be used to bill an Iontophoresis procedure that delivers medication into the body’s tissues using electrical currents and is commonly used to treat hyperhidrosis and inflammatory conditions such as bursitis and fasciitis.


The CPT book defines CPT 77033 as: “Application of a modality to 1 or more areas; iontophoresis, every 15 minutes.”


Iontophoresis is a procedure that involves administering medication into the body’s tissues through intact skin using electrical currents.

This method of administering drugs has become famous for treating hyperhidrosis, characterized by excessive sweating of the hands, feet, and underarms.

During the iontophoresis procedure, the affected body part is placed in water.

An electrical current is gradually applied to the water—the electrical current works by plugging the sweat glands and stopping excessive sweating. Iontophoresis is also used to treat certain inflammatory conditions such as bursitis and fasciitis.

The provider may treat one or multiple areas in a single session, and for each 15-minute session, a single unit of the code should be used for billing purposes.

This method of drug delivery is convenient and effective and provides an alternative to more invasive treatments.

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