Medicare local coverage
Medicare coverage for Ambulatory Electrocardiograph (AECG) Monitoring (LCD)
2 Medicare Administrative Contractors publish a local coverage determination (LCD) for Ambulatory Electrocardiograph (AECG) Monitoring. The snapshot lists 2 LCD records: 2 active.
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 |
|---|---|---|---|
First Coast Service Options, Inc.MAC - Part A, MAC - Part B | L39492 | Active | Apr 21, 2023 |
Novitas Solutions, Inc.MAC - Part A, MAC - Part B | L39490 | Active | Apr 21, 2023 |
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.
- A59268Novitas Solutions, Inc.Updated Oct 16, 2026
- A59270First Coast Service Options, Inc.Updated Oct 16, 2026
CMS also lists 2 response-to-comments articles for this topic, where contractors answer public comments on the proposed LCD: A59366, A59367.
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
- EEG – Ambulatory Monitoring
- Temporary Nontherapeutic Ambulatory Cardiac Monitoring Devices
- Controlled Substance Monitoring and Drugs of Abuse Testing
- Electrocardiographic (EKG or ECG) Monitoring (Holter or Real-Time Monitoring)
- Home Health Plans of Care: Monitoring Glucose Control in the Medicare Home Health Population with Type II Diabetes Mellitus
- Wireless Gastrointestinal Motility Monitoring Systems
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.