A4252 Blood ketone test or strip
Also known as: blood ketone test, ketone strips, beta-hydroxybutyrate
Blood Ketone Test or Strip, a chemical test device for detecting ketone bodies in blood for diabetes monitoring and metabolic assessment.
In Plain Language
ketone test; blood ketone detector
Clinical Context
Used in diabetic ketoacidosis monitoring, fasting state assessment, and ketogenic diet compliance monitoring.
RVU Information
CPT A4252 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 A4252?
CPT A4252 (Blood ketone test or strip) is a A Codes code. Blood Ketone Test or Strip, a chemical test device for detecting ketone bodies in blood for diabetes monitoring and metabolic assessment.
Does Medicare cover A4252?
Medicare coverage for A4252 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in diabetic ketoacidosis monitoring, fasting state assessment, and ketogenic diet compliance monitoring. A physician order is typically required.
When is CPT A4252 used?
Used in diabetic ketoacidosis monitoring, fasting state assessment, and ketogenic diet compliance monitoring.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national data — all in one app.
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.