Electromagnetic Therapy - CPT G0329

Effective July 1, 2004, a National Coverage Decision was made to allow for Medicare coverage of electromagnetic therapy for the treatment of certain types of wounds. The type of wounds covered are chronic Stage III or Stage IV pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers. All other uses of electromagnetic therapy for the treatment of wounds are not covered by Medicare. Electromagnetic therapy will not be covered as an initial treatment modality.

The use of electromagnetic therapy will only be covered after appropriate standard wound care has been tried for at least 30 days and there are no measurable signs of healing. If electromagnetic therapy is being used, wounds must be evaluated periodically by the treating physician but no less than every 30 days by a physician. Continued treatment with electromagnetic therapy is not covered if measurable signs of healing have not been demonstrated within any 30-day period of treatment. Additionally, electromagnetic therapy must be discontinued when the wound demonstrates a 100% epithelialzed wound bed.

HCPCS               Definition

G0329                Electromagnetic Therapy, to one or more areas for chronic Stage III and Stage IV pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of care.

Medicare will not cover the device used for the electromagnetic therapy for the treatment of wounds. However, Medicare will cover the service. Unsupervised home use of electromagnetic therapy will not be covered.

 A/B MAC (A) Billing Instructions

The applicable types of bills acceptable when billing for electromagnetic therapy services are 12X, 13X, 22X, 23X, 71X, 73X, 74X, 75X, and 85X. Chapter 25 of this manual provides general billing instructions that must be followed for bills submitted to A/B MACs (A). A/B MACs (A) pay for electromagnetic therapy services under the Medicare Physician Fee Schedule for a hospital, CORF, ORF, and SNF.

Payment methodology for independent (RHC), provider-based RHCs, free-standing FQHC and provider based FQHCs is made under the all-inclusive rate for the visit furnished to the RHC/FQHC patient to obtain the therapy service. Only one payment will be made for the visit furnished to the RHC/FQHC patient to obtain the therapy service. As of April 1, 2005, RHCs/FQHCs are no longer required to report HCPCS codes when billing for the therapy service.

Payment Methodology for a CAH is payment on a reasonable cost basis unless the CAH has elected the Optional Method and then the A/B MAC (A) pays pay 115% of the MPFS amount for the professional component of the HCPCS code in addition to the technical component.

In addition, the following revenues code must be used in conjunction with the HCPCS code identified:

Revenue Code          Description

420  Physical Therapy
430  Occupational Therapy
520  Federal Qualified Health Center *
521  Rural Health Center *
977, 978  Critical Access Hospital- method II CAH professional services only

* NOTE: As of April 1, 2005, RHCs/FQHCs are no longer required to report HCPCS codes when billing for the therapy service.



 A/B MAC (B) Claims

A/B MACs (B) pay for Electromagnetic Therapy services billed with HCPCS codes G0329 based on the MPFS. Claims for  lectromagnetic therapy services must be billed using the ASC X12 837 professional claim format or Form CMS-1500 following instructions in chapter 12 of this manual (www.cms.hhs.gov/manuals/104_claims/clm104index.asp).

Payment information for HCPCS code G0329 will be added to the July 2004 update of the Medicare Physician Fee Schedule Database (MPFSD).

Coinsurance and Deductible

The Medicare contractor shall apply coinsurance and deductible to payments for electromagnetic therapy services except for services billed to the FI by FQHCs. For FQHCs only co-insurance applies.

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