A4238 Adju cgm supply allowance
Also known as: CGM allowance, adjusted supplies, supply allocation
Adjusted Continuous Glucose Monitoring Supply Allowance, reimbursement adjustment for continuous glucose monitoring supplies when calibration requirements necessitate.
In Plain Language
glucose monitor supply allowance; continuous monitoring supplies
Clinical Context
Applied to continuous glucose monitoring patients requiring additional supplies due to device calibration or intensive monitoring protocols.
RVU Information
CPT A4238 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A4238?
CPT A4238 (Adju cgm supply allowance) is a A Codes code. Adjusted Continuous Glucose Monitoring Supply Allowance, reimbursement adjustment for continuous glucose monitoring supplies when calibration requirements necessitate.
Does Medicare cover A4238?
Medicare coverage for A4238 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Applied to continuous glucose monitoring patients requiring additional supplies due to device calibration or intensive monitoring protocols. A physician order is typically required.
When is CPT A4238 used?
Applied to continuous glucose monitoring patients requiring additional supplies due to device calibration or intensive monitoring protocols.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.