A4652 Microcapillary tube sealant
Also known as: tube sealant, capillary sealant, sealing clay
A sealant material used to seal the open end of microcapillary tubes after blood collection. Creates airtight seal to preserve sample integrity during transport and analysis.
In Plain Language
wax/clay to seal tiny blood collection tube; tube cap material
Clinical Context
Used with microcapillary collection tubes to prevent sample evaporation, contamination, and spillage during handling and centrifugation.
RVU Information
CPT A4652 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 A4652?
CPT A4652 (Microcapillary tube sealant) is a A Codes code. A sealant material used to seal the open end of microcapillary tubes after blood collection. Creates airtight seal to preserve sample integrity during transport and analysis.
Does Medicare cover A4652?
Medicare coverage for A4652 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used with microcapillary collection tubes to prevent sample evaporation, contamination, and spillage during handling and centrifugation. A physician order is typically required.
When is CPT A4652 used?
Used with microcapillary collection tubes to prevent sample evaporation, contamination, and spillage during handling and centrifugation.
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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.