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A4737 Injection anesthetic per 10 milliliters

A Codes

Also known as: local anesthetic, injectable anesthetic, lidocaine

An injectable local anesthetic agent (such as lidocaine or bupivacaine) supplied in 10-milliliter volumes for infiltration, nerve blocks, or other regional anesthesia.

In Plain Language

injectable numbing medicine; nerve block medication

Clinical Context

Used for local or regional anesthesia in minor procedures, nerve blocks, and wound infiltration. Available in various concentrations (0.5%-2%).

RVU Information

CPT A4737 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

AnesthesiologySurgeryPain Management

Frequently Asked Questions

What is CPT code A4737?

CPT A4737 (Injection anesthetic per 10 milliliters) is a A Codes code. An injectable local anesthetic agent (such as lidocaine or bupivacaine) supplied in 10-milliliter volumes for infiltration, nerve blocks, or other regional anesthesia.

Does Medicare cover A4737?

Medicare coverage for A4737 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for local or regional anesthesia in minor procedures, nerve blocks, and wound infiltration. Available in various concentrations (0.5%-2%). A physician order is typically required.

When is CPT A4737 used?

Used for local or regional anesthesia in minor procedures, nerve blocks, and wound infiltration. Available in various concentrations (0.5%-2%).

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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.