E2102 HCPCS code: Adjunctive, non-implanted continuous glucose monitor or receiver

E2102 is the HCPCS Level II code for adjunctive, non-implanted continuous glucose monitor or receiver. The 2026 Medicare DMEPOS fee schedule pays $189.08 to $239.22 (NU, new equipment, purchased) depending on the state. 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 DME suppliers. Medicare volume rose 90% from 2022 to 2024 (5,685 to 10,777 services). In 2024, 30 suppliers billed Medicare for E2102 (rentals), serving 2,333 beneficiaries; Texas, Florida, Virginia accounted for 19% of services. Its average fee ranks 2 of 5 E21 codes billed NU (family range $54.52–$866.28).

Code details

2026 Medicare DMEPOS fee schedule for E2102

How the E2102 fee compares

Who bills E2102 (2024)

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for E2102, 2022–2024

States with the most E2102 services (2024)

NCCI unit limits (MUE)

Medicare policy articles for this code

• A52464: Glucose Monitor - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
• A52507: External Infusion Pumps - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance

Covered diagnoses (495 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

Showing 10 of 495. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for E2102

• 2026-01-01: Average state fee (NU) rose 2.0%: $223.45 to $227.92
• 2026-01-01: Average state fee (RR) rose 2.0%: $22.34 to $22.79
• 2026-01-01: Average state fee (UE) rose 2.0%: $167.60 to $170.95
• 2022-04-01: E2102 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 E2102?

E2102 is the HCPCS Level II code for adjunctive, non-implanted continuous glucose monitor or receiver. Short descriptor: "Adju cgm receiver/monitor".

How much does Medicare pay for E2102?

Under the 2026 DMEPOS fee schedule, non-rural state fees are NU (new equipment, purchased): $189.08–$239.22; RR (rental (monthly)): $18.92–$23.91; UE (used equipment, purchased): $141.83–$179.42. Rural fees can be higher.

Does Medicare cover E2102?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

Which diagnoses support coverage for E2102?

Medicare policy articles that cite E2102 list 495 covered ICD-10-CM diagnosis codes across 2 articles. The most cited include E08.00 (Diabetes mellitus due to underlying condition with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)), E08.01 (Diabetes mellitus due to underlying condition with hyperosmolarity with coma), E08.10 (Diabetes mellitus due to underlying condition with ketoacidosis without coma). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

Did the Medicare fee for E2102 change in 2026?

The average non-rural state fee for NU moved from $223.45 in 2025 to $227.92 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.

How many units of E2102 can be billed per day?

1 on DME suppliers; 1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).

Related E21 codes

• E2100 — Blood glucose monitor with integrated voice synthesizer ($76.49–$1,084.76)
• E2101 — Blood glucose monitor with integrated lancing/blood sample ($26.88–$322.42)
• E2103 — Non-adjunctive, non-implanted continuous glucose monitor or receiver ($25.61–$334.44)
• E2104 — Home blood glucose monitor for use with integrated lancing/blood sample testing cartridge ($5.47–$54.52)
• E2120 — Pulse generator system for tympanic treatment of inner ear endolymphatic fluid ($404.05–$484.90)

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Next steps

• Run a reimbursement report for a device billed under E2102
• Watch E2102 for fee, coverage and descriptor changes
• Build a full Medicare revenue model for E2102

Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; 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.

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