Medicare local coverage
Medicare coverage for Nerve Conduction Studies and Electromyography (LCD)
7 Medicare Administrative Contractors publish a local coverage determination (LCD) for Nerve Conduction Studies and Electromyography. The snapshot lists 8 LCD records: 7 active, 1 retired.
An LCD applies only in the jurisdiction of the contractor that wrote it. Two contractors can cover the same service with different criteria, documentation requirements and covered diagnoses, so check the LCD from the contractor that processes your claims.
LCDs by contractor
| Contractor | LCD | Status | Last updated |
|---|---|---|---|
CGS Administrators, LLCMAC - Part A, MAC - Part B | L35897 | Active | Apr 29, 2026 |
First Coast Service Options, Inc.MAC - Part A, MAC - Part B | L34859 | Active | Oct 20, 2023 |
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B | L36526 | Retired Oct 23, 2025 | Oct 23, 2025 |
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B | L36524 | Active | Oct 14, 2025 |
Novitas Solutions, Inc.MAC - Part A, MAC - Part B | L35081 | Active | Oct 20, 2023 |
Palmetto GBAMAC - Part A, MAC - Part B | L35048 | Active | Nov 8, 2024 |
Wellpoint FederalMAC - Part A, MAC - Part B | L35098 | Active | Jul 14, 2026 |
WPS Insurance CorporationMAC - Part A, MAC - Part B | L34594 | Active | May 20, 2025 |
An LCD marked Future has been finalized and is in its notice period; it applies from the effective date shown. LCD IDs link to the record on cms.gov.
Billing and coding articles
The codes live in the billing and coding article that goes with each LCD: the CPT and HCPCS codes the policy applies to, the ICD-10 codes that support medical necessity, and any modifier or documentation rules.
- A54095Novitas Solutions, Inc.Updated Sep 26, 2025
- A54969Noridian Healthcare Solutions, LLCUpdated Sep 22, 2026
- A54992Noridian Healthcare Solutions, LLCUpdated Oct 23, 2025
- A56619Palmetto GBAUpdated Aug 24, 2026
- A57123First Coast Service Options, Inc.Updated Sep 26, 2025
- A57307CGS Administrators, LLCUpdated Apr 29, 2026
- A57478WPS Insurance CorporationUpdated Sep 17, 2026
- A57668Wellpoint FederalUpdated Jul 14, 2026
CMS also lists 5 response-to-comments articles for this topic, where contractors answer public comments on the proposed LCD: A54990, A54991, A55432, A59566, A59568.
Check claim lines against Medicare coverage
Coverage Check tells you whether a claim's diagnoses support Medicare LCD or NCD coverage for each procedure line, and shows the policy and CMS source behind each answer.
Related LCD topics
- Continuous Peripheral Nerve Blocks (CPNB)
- Hypoglossal Nerve Stimulation for Obstructive Sleep Apnea
- Hypoglossal Nerve Stimulation for the Treatment of Obstructive Sleep Apnea
- Intraosseous Basivertebral Nerve Ablation
- Nerve Blockade for Treatment of Chronic Pain and Neuropathy
- Nerve Blocks and Electrostimulation for Peripheral Neuropathy
All Medicare LCD topics · National coverage determinations · Payer policies by payer
Source: CMS Medicare Coverage Database, via the public CMS Coverage API, snapshot Oct 25, 2026. LCDs change between snapshots; confirm the version in effect for your date of service on cms.gov before billing.