HCPCS code A4238 — Adju cgm supply allowance.
Status: Active.
Effective Jan 1, 2023.
Source: CMS HCPCS Level II.
A4238
ActiveAdju cgm supply allowance
Supply allowance for adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service
Category:
Transportation & Supplies
Section:
A-codes: Transportation, Medical & Surgical Supplies
Effective:
Jan 1, 2023
Code type:
alphanumeric
OPPS Status:
Y
— Non-implantable durable medical equipment
MUE — Medically Unlikely Edits
Maximum units of A4238 Medicare will pay for one beneficiary on one date of service. Claims exceeding the MUE are denied or returned for review.
| Service Type | Max Units / Day |
|---|---|
| DME Supplier | 3 |
| Outpatient Hospital | 3 |
| Practitioner Services | 3 |
Source: CMS Medicare NCCI Medically Unlikely Edits
Change History
Quarterly changes published by CMS. Revisions may affect the code description, coverage, or rate — review each quarter's changes before submitting claims.
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New Code 2023-Q1Adju cgm supply allowance