Supply allowance for adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service
Code effective Jan 01, 2023
HCPCS Section
Transportation Services Including Ambulance, Medical & Surgical Supplies
A4238 is a valid 2026 HCPCS code meaning Supply allowance for adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service or (Adju cgm supply allowance) for short. HCPCS A4238 has been effective since 01/01/2023 and applies to Other medical items or services.
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HCPCS Level II Code Section A - Transportation Services Including Ambulance, Medical & Surgical Supplies |
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| HCPCS Code | A4238 |
|---|---|
| Description |
Long description:
Short description: |
| HCPCS Pricing indicator |
34 - DME supplies (price subject to floors and ceilings)
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| Multiple pricing indicator |
A - Not applicable as HCPCS priced under one methodology
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| Coverage code | C - Carrier judgment |
| BETOS2 code | D1E - Other DME |
| HCPCS Action code | N - No maintenance for this code |
| Type of service | 9 - Other medical items or services |
| Effective date | Effective Jan 01, 2023 |
| Date added | Added Apr 01, 2022 |
1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).
2 BETOS stands for “Berenson-Eggers Type Of Service”
HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026
CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.