CPT 00170: Anesthesia for Intraoral Procedures, Including Biopsy - OpenPayer

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Summary & Overview

CPT 00170: Anesthesia for Intraoral Procedures, Including Biopsy

CPT 00170 denotes anesthesia services provided for intraoral procedures, including biopsies, when no more specific anesthesia code applies. Nationally, this code captures a focused subset of anesthesiology care tied to oral cavity interventions and is relevant for billing, coding audits, and payer policy alignment across ambulatory surgical centers and hospital outpatient departments. Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. Readers will find a concise explanation of the clinical and billing context for 00170, comparisons to related intraoral anesthesia codes, common settings where the service is performed, and typical payer coverage considerations. The publication outlines coding boundaries to help clarify when 00170 is applicable versus more specific anesthesia codes for intraoral procedures, and it summarizes associated documentation elements and common clinical diagnoses that accompany intraoral anesthesia services. Data not available in the input is noted where applicable. The content is designed to support coding professionals, compliance teams, and payers in understanding the role of 00170 in anesthesiology service lines and in preparing for billing reviews and policy updates.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareCPT00170AnesthesiologyOralSurgeryAmbulatorySurgeryHospitalOutpatientProcedureCodingBillingComplianceAnesthesiaServices

CPT Code Overview

CPT 00170 describes anesthesia for intraoral procedures, including biopsy; not otherwise specified. This code is used for anesthesiology services provided to facilitate intraoral surgical or diagnostic procedures. The service is typically delivered in an ambulatory surgical center or a hospital outpatient setting.

Clinical & Coding Specifications

Clinical Context

A 45-year-old patient presents to an Ambulatory Surgical Center with a painful oral mucosal lesion and localized swelling of the floor of mouth. After evaluation by an oral surgeon, an intraoral biopsy is scheduled to obtain tissue for histopathology due to concern for neoplastic or inflammatory disease. The patient arrives fasting, is assessed by the anesthesia team, and receives monitored anesthesia care for an intraoral procedure that includes biopsy. Typical intraoperative workflow includes pre-anesthesia evaluation, airway assessment, placement of IV, administration of sedative and analgesic medications, intraoperative monitoring (including oxygenation, ventilation, hemodynamics), facilitation of the surgeon’s access to the oral cavity, and recovery room monitoring prior to discharge or transfer.

Typical sites of service include Ambulatory Surgical Center or Hospital Outpatient setting.

Coding Specifications

Common Modifiers:
QS - Monitored anesthesia care service; used to indicate that monitored anesthesia care was provided for the intraoral procedure as opposed to general endotracheal anesthesia.
P1 - A normal healthy patient; an ASA physical status modifier reflecting a patient with no systemic disease.
Associated provider taxonomies and specialty representation:
207L00000X - Anesthesiology: Physicians board-certified or practicing in anesthesiology.

National Reimbursement Benchmarks

National commercial mean rates are higher than Medicare-adjusted benchmarks for this CPT, with BUCA (the bundled commercial average) at $184.91 mean versus Medicare at $0.00 in the input. Aetna, Cigna, and BCBS report substantially higher means (Aetna $318.85, Cigna $299.11, BCBS $278.38), while UnitedHealth Group reports a notably lower mean of $65.65.

Rate dispersion (P75 minus P25) varies across payers. Aetna shows one of the widest spreads (P75 $499.00 minus P25 $46.00 = $453.00), followed by Cigna ($433.00 − $89.00 = $344.00). UnitedHealth Group is among the tightest (P75 $76.00 − P25 $50.33 = $25.67). BUCA and BCBS have moderate dispersion ($268.33 − $51.00 = $217.33 for BUCA; $345.00 − $199.00 = $146.00 for BCBS). The table and chart below present the full breakdown.

State Benchmarks

State: AK1 / 50

Alaska Benchmarks

Alaska displays a wide spread in reimbursement rates for CPT code 00170, with Blue Cross Blue Shield offering the highest mean rate at $330.25 and UnitedHealth Group the lowest at $75.12. The rate spread, calculated as the difference between the 75th and 25th percentiles, is most pronounced for Blue Cross Blue Shield ($96.90), indicating significant variability in payments. Cigna and UnitedHealth Group show much narrower spreads, suggesting more consistent but lower reimbursement levels.

Compared to national averages, Blue Cross Blue Shield and Aetna in Alaska pay above their respective national mean rates, while Cigna and UnitedHealth Group pay well below. The table and chart below present the full breakdown of payer-specific rates and percentiles for Alaska, highlighting the substantial differences across payers.

Key Insights for Alaska

Blue Cross Blue Shield is the highest paying payer in Alaska for CPT 00170, with a mean rate of $330.25.
UnitedHealth Group offers the lowest mean rate at $75.12, significantly below both state and national averages.
Cigna's mean rate in Alaska ($89.33) is notably lower than its national average, while Blue Cross Blue Shield's rate is higher than the national benchmark.

Related Codes

00218

CPT 00218: Anesthesia for Thoracic Spine and Spinal Cord Procedures

00192

CPT 00192: Anesthesia for Radical Facial Bone or Skull Surgery

00104

CPT 00104: Anesthesia for Electroconvulsive Therapy

00322

CPT 00322: Anesthesia for Neck Procedures Including Thyroid Biopsy

00190

CPT 00190: Anesthesia for Facial Bones or Skull Procedures

00320

CPT 00320: Anesthesia for Procedures on Esophagus, Thyroid, Larynx, Trachea, Neck

00214

CPT 00214: Anesthesia for Intracranial Burr Holes with Ventricular Access

00220

CPT 00220: Anesthesia for Intracranial Procedures, Not Otherwise Specified

00211

CPT 00211: Anesthesia for Intracranial Hematoma or Blood Clot Removal

00222

CPT 00222: Anesthesia for Intracranial Head Procedures

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