G0329 HCPCS code: 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
G0329 is the HCPCS Level II code for 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. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | I2B |
| Added | 2004-07-01 |
| Last action effective | 2004-07-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Code Descriptor / CPT Instruction |
| practitioner claims | 1 | Code Descriptor / CPT Instruction |
Medicare policy articles for this code
- A53058: Billing and Coding: Home Health Physical Therapy (Palmetto GBA (HHH MAC))
- A53064: Billing and Coding: Outpatient Occupational Therapy (Palmetto GBA (MAC - Part A))
- A53065: Billing and Coding: Outpatient Physical Therapy (Palmetto GBA (MAC - Part A))
- A55909: Billing and Coding: Wound Care (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
- A56566: Billing and Coding: Outpatient Physical and Occupational Therapy Services (National Government Services, Inc. (MAC - Part A, MAC - Part B))
- A57067: Billing and Coding: Outpatient Physical and Occupational Therapy Services (CGS Administrators, LLC (MAC - Part A, MAC - Part B))
- A57311: Billing and Coding: Physical Therapy - Home Health (CGS Administrators, LLC (HHH MAC))
Covered diagnoses (20,360 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| E08.52 | Diabetes mellitus due to underlying condition with diabetic peripheral angiopathy with gangrene | 3 |
| E09.52 | Drug or chemical induced diabetes mellitus with diabetic peripheral angiopathy with gangrene | 3 |
| E10.52 | Type 1 diabetes mellitus with diabetic peripheral angiopathy with gangrene | 3 |
| E11.52 | Type 2 diabetes mellitus with diabetic peripheral angiopathy with gangrene | 3 |
| H81.11 | Benign paroxysmal vertigo, right ear | 3 |
| H81.12 | Benign paroxysmal vertigo, left ear | 3 |
| H81.13 | Benign paroxysmal vertigo, bilateral | 3 |
| I70.231 | Atherosclerosis of native arteries of right leg with ulceration of thigh | 3 |
| I70.232 | Atherosclerosis of native arteries of right leg with ulceration of calf | 3 |
| I70.233 | Atherosclerosis of native arteries of right leg with ulceration of ankle | 3 |
Showing 10 of 20,360. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for G0329
- 2004-07-01: G0329 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code G0329?
G0329 is the HCPCS Level II code for 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. Short descriptor: "Electromagntic tx for ulcers".
Does Medicare cover G0329?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for G0329?
Medicare policy articles that cite G0329 list 20,360 covered ICD-10-CM diagnosis codes across 7 articles. The most cited include E08.52 (Diabetes mellitus due to underlying condition with diabetic peripheral angiopathy with gangrene), E09.52 (Drug or chemical induced diabetes mellitus with diabetic peripheral angiopathy with gangrene), E10.52 (Type 1 diabetes mellitus with diabetic peripheral angiopathy with gangrene). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of G0329 can be billed per day?
1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related G03 codes
- G0300 — Direct skilled nursing services of a licensed practical nurse (lpn) in the home health or hospice setting, each 15 minutes
- G0302 — Pre-operative pulmonary surgery services for preparation for lvrs, complete course of services, to include a minimum of 16 days of services
- G0303 — Pre-operative pulmonary surgery services for preparation for lvrs, 10 to 15 days of services
- G0304 — Pre-operative pulmonary surgery services for preparation for lvrs, 1 to 9 days of services
- G0305 — Post-discharge pulmonary surgery services after lvrs, minimum of 6 days of services
- G0306 — Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count
- G0307 — Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count)
- G0308 — Creation of subcutaneous pocket with insertion of 180 day implantable interstitial glucose sensor, including system activation and patient training
- G0309 — Removal of implantable interstitial glucose sensor with creation of subcutaneous pocket at different anatomic site and insertion of new 180 day implantable sensor, including system activation
- G0310 — Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 5 to 15 mins time (this code is used for medicaid billing purposes)
- G0311 — Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 16-30 mins time (this code is used for medicaid billing purposes)
- G0312 — Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes)
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Next steps
- Run a reimbursement report for a device billed under G0329
- Watch G0329 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0329
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.