CurrentBlue Cross Blue Shield - NevadaPolicy 09-201

Inhalation and Local Anesthesia (2025 Policy)

Defines clinical indications, monitoring/documentation, and coverage positioning for local anesthesia, regional/trigeminal blocks, inhalation (nitrous oxide), conscious sedation (intravenous and non-intravenous), deep sedation and general anesthesia in dental settings; includes CDT code list for informational billing use. Applies to dental providers and members per contract and state rules.

Policy Summary

PayerBlue Cross Blue Shield - Nevada

PolicyInhalation and Local Anesthesia (2025 Policy)

Policy CodePolicy 09-201

Change TypeRevised (minor/editorial)

Effective DateJan 1, 2025

Next Review Date

Key ActionSubmit medical documentation (radiographs, progress notes, operative report, complete anesthesia record with start/stop times and drug dosages) to support need for general anesthesia or conscious sedation.

SourceLink

POLICY UPDATE CHANGES

Policy status listed as Revised with last review 10/31/2024 and publish date 01/01/2025.

1Policy classifications updated

MultipleCDT codes listed (informational)

ConditionalCoverage for deep sedation/general anesthesia

Coverage Summary

Policy 09-201 defines coverage for dental anesthesia across the continuum from minimal sedation (anxiolysis) through general anesthesia, applying when services are medically/dentally necessary and consistent with the member's diagnosis or condition. The policy stance is mixed — anesthesia services may be covered conditionally when criteria and documentation requirements are met and per the member's contract/state rules. Effective date: 2025-01-01. Last review: 2024-10-31. Policy number: 09-201.

Policy at-a-glance

Policy Number09-201

Effective Date01/01/2025

Last Review10/31/2024

StatusRevised / CURRENT

Scope SummaryDefines clinical indications, monitoring/documentation, and coverage positioning for local anesthesia, regional/trigeminal blocks, inhalation (nitrous oxide), conscious sedation (IV and non-IV), deep sedation and general anesthesia in dental settings; includes CDT code list for informational billing use. Applies to dental providers and members per contract and state rules.

Medical Necessity & Coverage Criteria

General coverage principles / Medical necessity

Anesthesia services may be covered when medically/dentally necessary and consistent with member diagnosis/condition and prevailing standards.

ALL of the following

Services must be consistent with the Member's diagnosis or condition (medical/dental necessity).
Administration of anesthesia must be by appropriately educated, trained and licensed personnel; additional trained individuals may be required per state rules.
Monitoring, documentation, and emergency management requirements must be met (see Monitoring and Documentation and Emergency Management nodes).

Local anesthesia

Coverage statement for local anesthesia

ALL of the following

Local anesthesia (traditional, electronic, buffered, etc.) is considered inclusive of all dental procedures and is not eligible for a separate benefit, unless a specific plan allows separate coverage.

Regional and trigeminal division block anesthesia

ALL of the following

Regional and trigeminal block anesthesia may not be a covered service.

Deep Sedation / General Anesthesia / Intravenous Moderate (Conscious) Sedation / Non-Intravenous Conscious Sedation - Coverage criteria

These procedures may be covered when performed in conjunction with covered dental services and when member meets one or more qualifying criteria with appropriate documentation.

Member qualifies when ANY of the following are met

The member is a child, up to the age defined by contract, with a dental condition requiring repairs of significant complexity (examples: multiple restorations, pulpal therapy, extractions, combinations of procedures).
The member has physical, intellectual, or medically compromising conditions for which dental treatment under local anesthesia cannot be expected to provide a successful result; conditions include but are not limited to intellectual disabilities, cerebral palsy, epilepsy, severe cardiac problems, hyperactivity (must be verified by appropriate medical documentation).
The member is extremely uncooperative, fearful, unmanageable, anxious, or uncommunicative with complex dental needs which should not be postponed or deferred and for whom lack of treatment can be expected to result in oral pain, infection, tooth loss, or increased oral morbidity.

Inhalation of Nitrous Oxide/Analgesia

Nitrous oxide may be benefitted when appropriate in conjunction with covered dental services; includes indications and contraindications.

Indications (ANY)

Ineffective local anesthesia administration.
Treatment of dental anxiety.
Special needs patients.
Individuals who are uncooperative or behaviorally challenged.

Contraindications (ANY)

Patients with severe respiratory compromise.

Monitoring, Documentation & Emergency Management

Monitoring and Documentation requirements

Continuous monitoring and complete documentation required for anesthesia administration.

ALL of the following

A dentist or appropriately trained individual must remain in the operatory during active dental treatment to continuously monitor vital signs until patient meets discharge criteria.
Monitoring must include observation of oxygenation (mucosa color), continuous evaluation of skin or blood, and oxygen saturation by pulse oximetry is appropriate and necessary.
Ventilation: chest movement must be continually observed and respirations must be verified and documented by trained personnel.
Circulation: blood pressure and heart rate must be evaluated pre-operatively, intra-operatively and postoperatively and properly documented.
Documentation: Complete anesthesia record must include names of all drugs administered, times and dosages of local anesthetics or other anesthetic drugs (IV or inhalation), and all physiological parameters monitored.

Emergency Management

ALL of the following

The dentist is responsible for drug management, adequacy of facility and staff, diagnosis and treatment of emergencies related to administration of intravenous or inhalation drugs and must provide appropriate equipment, drugs and office protocol for emergency management.

Coding (informational)

CDT codes (informational list)mixed

D9210	local anesthesia not in conjunction with operative or surgical procedures
D9211	regional block anesthesia
D9212	trigeminal division block anesthesia
D9215	local anesthesia in conjunction with operative or surgical procedures
D9219	evaluation for deep sedation or general anesthesia
D9222	deep sedation/general anesthesia first 15 minutes
D9223	deep sedation/general anesthesia each 15 minute increment
D9230	inhalation of nitrous oxide/analgesia, anxiolysis
D9243	intravenous moderate (conscious) sedation/analgesia each 15 minute increment
D9239	intravenous moderate (conscious) sedation/analgesia first 15 minutes

1–10 of 12

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Provider Actions & Billing Rules

Documentation Required

Support medical necessity with documentation

Submit medical documentation from the oral surgeon/dentist/physician supporting the need for general anesthesia or conscious sedation. Required documentation includes radiographs, progress notes, the operative report, and a complete anesthesia record documenting start and stop times and drug dosages.

Radiographs (all associated images)
Progress notes
Operative report
Complete anesthesia record with start/stop times and drug dosages

Documentation Required

Monitor and record physiologic parameters

Continuously monitor and document physiologic parameters before, during, and after anesthesia. Monitoring and documentation must be recorded in the anesthesia record.

Blood pressure (pre-, intra-, post-operative)
Heart rate (pre-, intra-, post-operative)
Respirations/chest movement
Oxygenation including pulse oximetry

Prior Authorization

Prior review may be required per contract/state

Prior review or authorization for anesthesia services may be required depending on the member's contract and state rules. Contact customer service and verify the member's contract and any state-specific requirements before scheduling services.

Contact the number on the member's card/customer service to determine prior review requirements
Check member contract and applicable state regulations

Billing Rule

Local anesthesia not separately billable generally

Local anesthesia is considered inclusive to dental procedures and is generally not eligible for separate reimbursement unless the member's specific plan allows separate coverage.

D9210
D9215

Denial Risk

Regional/trigeminal block may be non-covered

Regional and trigeminal division block anesthesia may not be a covered service and claims for these codes could be denied per policy.

D9211
D9212

Definitions & Background

The policy explains the accepted anesthesia depth continuum and aligns with recognized professional guidelines (ASA, ADA, AAP, AAPD) for defining levels of sedation and anesthesia and for pediatric monitoring and safety. It emphasizes that dentists administering anesthesia must be appropriately educated, trained and licensed and, when advanced anesthetics (IV or inhalation) are used, additional personnel with appropriate life support training and state-required credentials must be present. Monitoring and documentation requirements include continuous observation of oxygenation (including pulse oximetry), ventilation (chest movement/respirations), and circulation (blood pressure and heart rate) with a complete anesthesia record documenting drugs, times and dosages. The policy also requires readiness for emergency management: the dentist is responsible for drug management, facility and staff adequacy, and providing appropriate emergency equipment, drugs and office protocols.

Definitions

General AnesthesiaDrug-induced loss of consciousness where patients are unarousable; may require airway assistance and positive pressure ventilation; cardiovascular function may be impaired.

Deep Sedation/AnalgesiaDrug-induced depression of consciousness in which a person is not easily aroused but responds purposefully after repeated or painful stimulation; airway assistance may be required.

Intravenous Moderate (Conscious) Sedation/AnalgesiaDrug-induced depression of consciousness where the person remains awake, able to follow directions; no airway interventions necessary, spontaneous breathing adequate.

Minimal Sedation (Anxiolysis)Drug-induced state allowing normal response to verbal commands; cognitive function and coordination may be impaired but airway, breathing and cardiovascular function are maintained.

OpenPayer

Inhalation and Local Anesthesia (2025 Policy)

Coverage Summary

Medical Necessity & Coverage Criteria

Monitoring, Documentation & Emergency Management

Coding (informational)

Provider Actions & Billing Rules

Definitions & Background

Revision History