Reimbursement Policy Professional Anesthesia Services
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Defines reimbursement rules for professional anesthesia services for Highmark BCBS WNY members in specified programs (MMC, HARP, CHPlus, EP) including billing units, modifiers, multiple procedures, obstetrical rules, and nonreimbursable circumstances.
No material clinical or coverage changes in this revision.
Coverage Criteria for Anesthesia Services
COVERAGE CRITERIA
Covered when ALL of the following billing, documentation, modifier, and clinical conditions are met:
ALL of the following
ALL of the following
- The health plan allows reimbursement of professional anesthesia services for covered members unless provider, state, federal, or CMS contracts/requirements indicate otherwise.
See authority/governance for exceptions.
- Reimbursement is based on the CMS reimbursement formula for allowance, time increments, base units, and appropriate conversion factors by locality.
Providers should follow CMS guidelines for calculation of allowance and time units.
ALL of the following
- Providers must report anesthesia services in minutes; claims submitted with an indicator other than minutes may not be processed or may not be eligible for reimbursement.minutes
Start and stop times must be documented in the member's medical record.
- Anesthesia time begins with preparation of the member for administration of anesthesia and ends when the anesthesia provider is no longer in personal and continuous attendance.
Time increments are based on 15-minute units for billing calculations.
ALL of the following
- Anesthesia modifiers that identify who performed the service must be appended to the procedure code and billed in the primary modifier field to receive appropriate reimbursement; claims without appropriate modifiers are not eligible for reimbursement.
Payment adjustments for modifiers follow state requirements or default to CMS guidelines.
Modifier payment treatments (apply as appropriate)
- Modifier AA or QZ: reimbursed at 100% of applicable fee schedule or contracted/negotiated rate.100%
- Modifier AD: reimbursed at 100% of the applicable fee schedule or contracted/negotiated rate for up to three base units for anesthesiologists.100% up to 3 base units
- Modifiers QK, QX, QY: reimbursed at 50% of the allowance (50% of applicable fee schedule or contracted/negotiated amount).50%
- Modifier 23: reimbursed at 100% of the applicable procedure rate when general anesthesia is required due to unusual circumstances; does not otherwise change reimbursement.100%
- Modifier 47: not allowed for anesthesia reimbursement when billed by the provider performing the procedure (except obstetrical delivering physician); billing modifier 47 with anesthesia services is not appropriate under this policy.0%
See Obstetrical Anesthesia exception below.
ALL of the following
- When multiple anesthesia procedures occur, reimbursement is based on the anesthesia procedure with the highest base unit value and the overall time of all anesthesia procedures.
Time reported is the overall anesthesia time across procedures.
- Separate reimbursement is allowed for specified services provided in conjunction with anesthesia (Swan-Ganz catheter insertion; central venous pressure line insertion; intra-arterial lines; emergency intubation when provided with the anesthesia procedure; critical care visits; transesophageal echocardiography).
Reimbursement for these services is based on applicable fee schedule or contracted/negotiated rate and is not time-reported.
ALL of the following
Obstetrical neuraxial epidural reimbursement conditions
- Neuraxial epidural anesthesia for labor and delivery is reimbursed for up to 300 minutes based on the time the provider is physically present with the member.<= 300 minutes
Providers must submit additional documentation upon dispute for consideration of reimbursement for time exceeding 300 minutes.
- Delivering physician: reimbursement based on a flat rate or fee schedule using the surgical CPT pain management codes for epidural analgesia.
This is the reimbursement method when the delivering physician provides continuous epidural analgesia.
- Qualified provider other than the delivering physician: reimbursement based on the allowance calculation and includes catheter insertion and anesthesia administration.
Apply standard allowance/time-based calculation for non-delivering qualified providers.
ALL of the following
Not reimbursed under this policy
- Use of patient status modifiers or qualifying circumstance codes denoting additional complexity levels.
These are not reimbursed for anesthesia under this policy.
- Anesthesia consultations on the same date as surgery or the day prior when part of the preoperative assessment.
Not separately reimbursable.
- Anesthesia services for non‑covered procedures, including services considered not medically necessary, experimental, and/or investigational.
Subject to medical necessity and coverage determinations.
- Anesthesia services performed by the provider performing the basic procedure (except delivering physician providing continuous epidural analgesia).
Such anesthesia is not reimbursed as separate anesthesia services.
- Local anesthesia that is incidental to the surgical procedure.
Considered part of the primary procedure and not separately reimbursed.
- Standby anesthesia services.
Not reimbursed under this policy.
ALL of the following
- Services must meet authorization and medical necessity guidelines appropriate to the procedure and diagnosis and the member's state of residence.
Claims may be rejected, denied, recouped, or adjusted if policies or coding guidelines are not followed.
- This policy may be superseded by provider, state, federal, or CMS contracts and requirements.
When applicable, contractual or regulatory requirements take precedence.
ALL of the following
- Providers must document start and stop times and report anesthesia time in minutes; additional documentation may be required for obstetrical epidural time exceeding 300 minutes.minutes; >300 minutes requires documentation
Failure to document appropriately may result in denial or reduction of reimbursement.
Coding, Modifiers, and Time Limits
| AA | Anesthesia services personally performed by the anesthesiologist; reimbursed at 100% of applicable fee schedule or contracted/negotiated rate |
| AD | Medical supervision by a physician: more than four (4) concurrent anesthesia procedures; reimbursed at 100% of the applicable fee schedule or contracted/negotiated rate for up to three base units for anesthesiologists |
| QK | Medical direction of two, three, or four concurrent anesthesia procedures involving qualified individuals; reimbursed at 50% of allowance |
| QX | Qualified nonphysician anesthetist with medical direction by a physician; reimbursed at 50% of the applicable fee schedule or contracted/negotiated amount |
| QY | Anesthesiologist medically directs one CRNA; reimbursed at 50% of the applicable fee schedule or contracted/negotiated amount |
| QZ | CRNA without medical direction by a physician; reimbursed at 100% of the applicable fee schedule or contracted/negotiated amount |
| 23 | Procedure done under general anesthesia due to unusual circumstances; reimbursed at 100% of the applicable fee schedule or contracted/negotiated rate of the procedure |
| 47 | Regional or general anesthesia provided by the surgeon performing the medical procedure; not reimbursed as anesthesia services (except obstetrical); when reported for surgeon-provided regional/general anesthesia reimbursement will not exceed 50% of the basic value plus time for the procedure |
Authorization, Documentation, and Provider Responsibilities
Authorization, medical necessity, and documentation required
Services must meet authorization and medical necessity guidelines appropriate to the procedure, diagnosis, and member's state of residence; bill using industry-standard CPT/HCPCS/revenue codes that are fully supported in the medical record. Failure to follow appropriate coding/billing guidelines or current reimbursement policies may result in claim rejection or denial, recovery/recoupment of payment, or adjustment of reimbursement.
- Obtain any required prior authorization and document medical necessity in the medical record tied to the procedure and diagnosis.
- Ensure CPT, HCPCS, and revenue codes submitted are accurate and fully supported by office notes and medical record documentation.
- Be aware that noncompliance may lead to claim rejection/denial, payment recovery/recoupment, or reimbursement adjustment.
Definitions
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