Summary & Overview
CPT 01770: Anesthesia for Upper Arm and Elbow Arterial Procedures
CPT code 01770 represents anesthesia services for procedures on arteries of the upper arm and elbow, used when no more specific anesthesia code applies. Nationally, this code captures perioperative anesthesia care for vascular interventions involving the brachial, radial, or ulnar arteries and is relevant to anesthesiologists, surgical teams, and billing professionals who manage coding for upper-extremity vascular procedures. Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare.
This publication provides a concise overview of clinical context and billing use for 01770, outlines typical sites of service, and identifies common companion services and related procedure codes for upper-extremity vascular and joint interventions. Readers will find benchmarking and payer coverage context, coding nuances for use when no more specific anesthesia code exists, and a summary of related procedural codes used in similar clinical scenarios. The material is intended to support coding accuracy, payer discussions, and administrative review at a national level without providing clinical recommendations.
Billing Code Overview
CPT code 01770 describes anesthesia services for procedures on arteries of the upper arm and elbow, including the brachial, radial, and ulnar arteries. This code is used when anesthesia services are provided for vascular procedures of the upper arm or elbow that are not otherwise specified by a more specific anesthesia code.
Service type: Anesthesia for vascular procedures of the upper arm and elbow
Typical site of service: Operating room or procedural suite for upper extremity vascular surgery or interventions
Clinical & Coding Specifications
Clinical Context
A 62-year-old male with chronic lateral epicondylitis of the right elbow (M77.11) and persistent pain refractory to conservative care is scheduled for an open vascular procedure on the right radial artery at the elbow for arteriovenous fistula revision. The anesthesiology team evaluates the patient preoperatively in the ambulatory surgical center. Pre-op assessment documents ASA physical status P3 for controlled hypertension and type 2 diabetes. Regional anesthesia with a brachial plexus block is planned with monitored anesthesia care (MAC) for intraoperative analgesia and sedation; general anesthesia backup is available.
On the day of service, the anesthesiologist documents airway assessment, informed consent, and the established anesthetic plan. Intraoperative management includes placement of standard ASA monitors, performance of an ultrasound-guided supraclavicular brachial plexus block, supplemental local infiltration at the incision site, and sedation titrated to patient comfort. Anesthesia services are reported using 01770 (anesthesia for procedures on arteries of the upper arm and elbow not otherwise specified). Postoperative handoff includes pain control plan, neurovascular checks, and disposition to same-day discharge when stable.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|