How To Use CPT Code 29750

CPT 29750 describes the procedure of wedging a clubfoot cast to correct the alignment of the foot. This article will cover the official description, procedure, qualifying circumstances, appropriate usage, documentation requirements, billing guidelines, historical information and billing examples.

1. What is CPT Code 29750?

CPT 29750 can be used to describe the repositioning of a foot in an existing cast applied for the treatment of clubfoot deformity. The provider cuts into the cast and inserts material as a wedge to hold the correct alignment of the foot. This procedure is performed to correct inward or outward bowing of the ankle.

2. Official Description

The official description of CPT code 29750 is: ‘Wedging of clubfoot cast. To report bilateral procedure, use 29750 with modifier 50.’

3. Procedure

1. The provider uses a cast saw to open the cast in the area of the deformity.
2. She repositions the foot and inserts a small block of wood or sheet wadding as a wedge to maintain the correct position.
3. An X-ray is taken to confirm the positioning of the foot.
4. The provider then repairs the cast with plaster or fiberglass.

4. Qualifying circumstances

This procedure is performed on patients with clubfoot deformity, which is a congenital or acquired condition where the foot is severely abnormally twisted. The provider must use a cast saw to open the cast and insert a wedge to correct the alignment of the foot.

5. When to use CPT code 29750

CPT code 29750 should be used when the provider performs the wedging procedure on a clubfoot cast to correct the alignment of the foot. It should not be used for any other procedures or conditions.

6. Documentation requirements

To support a claim for CPT 29750, the provider must document the following information:

• The diagnosis of clubfoot deformity
• The need for the wedging procedure
• The specific materials used as a wedge
• The date of the procedure
• An X-ray confirming the correct positioning of the foot
• The repair of the cast with plaster or fiberglass

7. Billing guidelines

When billing for CPT 29750, ensure that the procedure is performed on a clubfoot cast and that the provider uses a cast saw to open the cast and insert the wedge. If the procedure is performed bilaterally, use modifier 50. It is important to check with the payer for their preference on reporting bilateral procedures. Use the appropriate modifier to indicate the side if applicable, such as RT for the right side and LT for the left side.

8. Historical information

CPT 29750 was added to the Current Procedural Terminology system on January 1, 1990. There have been no updates to the code since its addition.

9. Examples

1. A provider repositions the foot in a clubfoot cast by cutting into the cast and inserting a wedge to correct the alignment.
2. Using a cast saw, the provider opens the cast and inserts a small block of wood as a wedge to maintain the correct position of the foot.
3. After confirming the positioning with an X-ray, the provider repairs the cast with plaster.
4. The provider performs the wedging procedure on a clubfoot cast to correct the inward bowing of the ankle.
5. Using sheet wadding as a wedge, the provider repositions the foot in the cast to correct the outward bowing of the ankle.
6. After inserting the wedge, the provider takes an X-ray to ensure the foot is correctly aligned.
7. The provider repairs the cast with fiberglass after performing the wedging procedure on a clubfoot cast.
8. Using a cast saw, the provider opens the cast and inserts a wedge to correct the alignment of the foot in a clubfoot cast.
9. After confirming the correct positioning with an X-ray, the provider repairs the cast with plaster.
10. The provider performs the wedging procedure on a clubfoot cast to correct the inward bowing of the ankle.