Medicare local coverage

Medicare coverage for Implantable Continuous Glucose Monitors (I-CGM) (LCD)

7 Medicare Administrative Contractors publish a local coverage determination (LCD) for Implantable Continuous Glucose Monitors (I-CGM). 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

ContractorLCDStatusLast updated
CGS Administrators, LLCMAC - Part A, MAC - Part B
L38662ActiveSep 29, 2026
First Coast Service Options, Inc.MAC - Part A, MAC - Part B
L38664ActiveJun 21, 2024
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B
L38659Retired Oct 23, 2025Oct 23, 2025
Noridian Healthcare Solutions, LLCMAC - Part A, MAC - Part B
L38657ActiveOct 14, 2025
Novitas Solutions, Inc.MAC - Part A, MAC - Part B
L38617ActiveJun 21, 2024
Palmetto GBAMAC - Part A, MAC - Part B
L38743ActiveJul 19, 2024
Wellpoint FederalMAC - Part A, MAC - Part B
L38623ActiveJul 14, 2026
WPS Insurance CorporationMAC - Part A, MAC - Part B
L38686ActiveJun 18, 2026

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.

  • A58110Novitas Solutions, Inc.Updated Sep 3, 2026
  • A58116Wellpoint FederalUpdated Sep 10, 2026
  • A58127CGS Administrators, LLCUpdated Sep 29, 2026
  • A58133Noridian Healthcare Solutions, LLCUpdated Sep 1, 2026
  • A58136First Coast Service Options, Inc.Updated Sep 3, 2026
  • A58138Noridian Healthcare Solutions, LLCUpdated Oct 23, 2025
  • A58213WPS Insurance CorporationUpdated Sep 2, 2026
  • A58277Palmetto GBAUpdated Sep 4, 2026

CMS also lists 13 response-to-comments articles for this topic, where contractors answer public comments on the proposed LCD: A58340, A58342, A58382, A58399, A58622, A59611, A59614, A59616, A59659, A59703, A59832, A59833, A59909.

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

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.