99451 CPT® code: payer coverage and prior authorization

Payer policies and prior authorization for 99451

Payer coverage policies that name 99451

99451 appears in 2 coverage policies from Blue Cross & Blue Shield of Mississippi, Blue Cross NC.

PayerPolicyRole in policyReviewedDocument
Blue Cross & Blue Shield of MississippiTelehealth Storeandforward Telemedicine Services (L.2.04.438)not coveredpayer document
Blue Cross NCEvaluation and Management Serviceslisted, no stance (range 99202-99499)Jun 1, 2026payer document

Medicaid fee-for-service

Prior authorization required or conditional in IN.

  • AZ: $32.00 (physician, AHCCCS PT 08, facility), effective Oct 1, 2024
  • CO: $34.30 (chp_plus, non-facility), effective Jul 1, 2026
  • IL: $23.69 (practitioner), effective Apr 1, 2024
  • KY: $45.00 (asc), effective Jan 1, 2026
  • LA: $31.98 (professional), effective Mar 15, 2021
  • MA: $26.24 (physician_medicine), effective May 1, 2024
  • ND: $38.68 (physician), effective Aug 1, 2026
  • NE: $37.60 (physician, non-facility), effective Jul 1, 2026
  • NY: $28.46 (midwife, non-facility), effective Jul 1, 2026
  • OH: $27.12 (physician), effective Apr 1, 2023
  • VA: $21.66 (medical, facility), effective Jul 1, 2026
  • VT: $24.75 (outpatient_hospital_opps), effective Feb 1, 2026
  • WA: $17.58 (physician, facility), effective Jul 1, 2026
  • WY: $0.00 (outpatient_hospital_apc, Children's Hospitals), 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.