42420 CPT® code: payer coverage and prior authorization

Payer policies and prior authorization for 42420

2 of 2 payer prior-auth lists that name 42420 require prior authorization or set conditions: Neighborhood Health Partnership, UnitedHealthcare.

PayerPlanStatePrior authConditionsSinceSource
Neighborhood Health PartnershipNeighborhood Health PartnershipFLprior auth under conditionssite of care: outpatient hospital; not in AK, IL, GU, MA, PR, RI, TX, UT, VI, WISep 1, 2026Prior authorization requirements for Neighborhood Health Partnership Effective September 1, 2026
UnitedHealthcareUnitedHealthcare Complete (Individual & Family plans)Allprior auth under conditionssite of care: outpatient hospitalSep 1, 2026Prior authorization requirements for UnitedHealthcare Complete Effective September 1, 2026

Payer coverage policies that name 42420

42420 appears in 3 coverage policies from Aetna, Regence.

PayerPolicyRole in policyReviewedDocument
AetnaIntraoperative Neurophysiological Monitoring (0697)covered if criteria are metJun 19, 2026payer document
AetnaSkin and Soft Tissue Substitutes (0244)listed, no stance (range 42410-42426)Jul 29, 2026payer document
RegenceSurgical Site of Care – Hospital Outpatient (Utilization Management 19)listed, no stanceMay 1, 2026payer document

Recent prior-auth changes

  • Oct 1, 2026: PA removed, UnitedHealthcare
  • Oct 1, 2026: PA removed, UnitedHealthcare Community Plan
  • Oct 1, 2026: PA removed, UnitedHealthcare
  • Oct 1, 2026: PA removed, Oxford Health Plans
  • Oct 1, 2026: PA removed, UnitedHealthcare
  • Aug 1, 2026: conditions changed, UnitedHealthcare
  • Jul 1, 2026: conditions changed, UnitedHealthcare
  • Jul 1, 2026: conditions changed, UnitedHealthcare
  • Jul 1, 2026: conditions changed, Neighborhood Health Partnership
  • Jul 1, 2026: conditions changed, UnitedHealthcare

Medicaid fee-for-service

  • AZ: $1943.46 (asc), effective Oct 1, 2026
  • CO: $949.32 (chp_plus, non-facility), effective Jul 1, 2026
  • FL: $822.65 (physician, non-facility), effective Jan 1, 2026
  • IL: $867.10 (practitioner), effective Jul 1, 2026
  • IN: $914.93 (professional, Advanced Practice Nurse (85%), facility), effective Jan 1, 2026
  • KS: $500.00 (asc, facility), effective Aug 1, 1982
  • KY: $2953.46 (asc), effective Jan 1, 2026
  • LA: $265.13 (asc), effective Jul 1, 2012
  • MA: $1909.57 (asc), effective May 1, 2026
  • MS: $2333.88 (comprehensive, facility), effective Oct 1, 2025
  • ND: $1741.07 (physician, facility), effective Aug 1, 2026
  • NE: $1662.00 (asc), effective Jul 1, 2024
  • NY: $617.12 (physician_surgery, facility), effective Jul 1, 2026
  • OH: $931.76 (physician), effective Jan 1, 2000
  • OK: $2694.50 (asc), effective Jan 1, 2026
  • TX: $1954.22 (ambulatory_surgical_center_asc_hospital_based_ambulatory_sur, Ambulatory Surgical Center (Asc) / Hospital - Based Ambulatory Surgical Center (Hasc)), effective Jun 1, 2023
  • VA: $888.60 (medical), effective Jul 1, 2026
  • VT: $4596.52 (outpatient_hospital_opps), effective Feb 1, 2026
  • WA: $366.60 (asc), effective Jul 1, 2026
  • WY: $2617.97 (outpatient_hospital_apc, Ambulatory Surgical Centers), effective Apr 1, 2026

From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.