G72.9: Myopathy, unspecified
G72.9, myopathy, unspecified, is listed as a covered diagnosis in 5 Medicare billing and coding articles that apply to 5 HCPCS Level II codes, including A7020 (Interface for cough stimulating device, includes all…), E0483 (High frequency chest wall oscillation system, with full…), A7025 (High frequency chest wall oscillation system vest…). 4 of these codes have a 2026 DMEPOS fee schedule amount; A7020 pays $19.87 to $23.81 (NU) depending on the state. The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with G72.9 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| A7020 | Interface for cough stimulating device, includes all components, replacement only | Carrier judgment | $19.87–$23.81 (NU) | 1 |
| E0483 | High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each | Carrier judgment | $1,515.12–$1,818.13 (RR) | 1 |
| A7025 | High frequency chest wall oscillation system vest, replacement for use with patient owned equipment, each | Carrier judgment | $61.99–$74.42 (RR) | 1 |
| A7026 | High frequency chest wall oscillation system hose, replacement for use with patient owned equipment, each | Carrier judgment | $40.96–$49.15 (NU) | 1 |
| G0255 | Current perception threshold/sensory nerve conduction test, (snct) per limb, any nerve | Non-covered by Medicare | Not covered | 3 |
Medicare policy articles listing G72.9
- A52510: Mechanical In-exsufflation Devices - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC); 1 Level II codes). LCD with the same title: L33795
- A52494: High Frequency Chest Wall Oscillation Devices - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC); 3 Level II codes). LCD with the same title: L33785
- A57307: Billing and Coding: Nerve Conduction Studies and Electromyography (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A57668: Billing and Coding: Nerve Conduction Studies and Electromyography (Wellpoint Federal (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A56619: Billing and Coding: Nerve Conduction Studies and Electromyography (Palmetto GBA (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other G72 diagnoses (Other and unspecified myopathies)
- G72.0 — Drug-induced myopathy
- G72.1 — Alcoholic myopathy
- G72.2 — Myopathy due to other toxic agents
- G72.3 — Periodic paralysis
- G72.41 — Inclusion body myositis [IBM]
- G72.49 — Other inflammatory and immune myopathies, not elsewhere classified
- G72.81 — Critical illness myopathy
- G72.89 — Other specified myopathies
Frequently asked questions
Does Medicare cover G72.9 (Myopathy, unspecified)?
Medicare covers items and services, not diagnoses. 5 Medicare billing and coding articles list G72.9 as a covered diagnosis for 5 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 G72.9?
The Level II codes from the policies most specific to this diagnosis are A7020 (Interface for cough stimulating device, includes all…, 1 article); E0483 (High frequency chest wall oscillation system, with full…, 1 article); A7025 (High frequency chest wall oscillation system vest…, 1 article); A7026 (High frequency chest wall oscillation system hose…, 1 article); G0255 (Current perception threshold/sensory nerve conduction…, 3 articles). Code choice depends on the item supplied; check each code's descriptor.
What does Medicare pay for equipment billed with G72.9?
Under the 2026 DMEPOS fee schedule (non-rural state fees): A7020 $19.87 to $23.81 (NU); E0483 $1,515.12 to $1,818.13 (RR); A7025 $61.99 to $74.42 (RR); A7026 $40.96 to $49.15 (NU). Medicare pays 80% of the allowed amount after the Part B deductible.
Which Medicare policy articles list G72.9?
A52510 (Mechanical In-exsufflation Devices - Policy Article); A52494 (High Frequency Chest Wall Oscillation Devices - Policy Article); A57307 (Billing and Coding: Nerve Conduction Studies and Electromyography), and 2 more articles.
What is ICD-10-CM code G72.9?
G72.9 is the ICD-10-CM code for myopathy, unspecified, in category G72 (Other and unspecified myopathies), chapter 6: Diseases of the nervous system.
Next steps
- Run a reimbursement report for a device billed under A7020
- Watch A7020 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A7020
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 6: Diseases of the nervous system · All diagnoses · HCPCS lookup