21400 CPT® code: payer coverage and prior authorization

Payer policies and prior authorization for 21400

Payer coverage policies that name 21400

21400 appears in 3 coverage policies from Aetna.

PayerPolicyRole in policyReviewedDocument
AetnaGeneral Anesthesia and Monitored Anesthesia Care for Oral and Maxillofacial Surgery and Dental Services (0124)covered if criteria are met (range 21295-21497)Mar 19, 2026payer document
AetnaRemote Ischemic Conditioning (0814)listed, no stance (range 20000-29999)Nov 20, 2025payer document
AetnaSkin and Soft Tissue Substitutes (0244)not covered (range 20100-29999)Jul 29, 2026payer document

Medicaid fee-for-service

  • AZ: $163.89 (asc), effective Oct 1, 2026
  • CO: $48.64 (chp_plus, non-facility), effective Jul 1, 2026
  • IL: $149.80 (practitioner), effective Jul 12, 2021
  • IN: $133.19 (professional, Advanced Practice Nurse (85%), facility), effective Jan 1, 2026
  • KS: $100.94 (default, Exempt Physician), effective Aug 1, 2024
  • KY: $288.42 (asc), effective Jan 1, 2026
  • LA: $182.30 (asc), effective Jul 1, 2012
  • MA: $189.71 (asc), effective May 1, 2026
  • MS: $218.43 (comprehensive, facility), effective Oct 1, 2025
  • ND: $170.02 (physician, facility), effective Aug 1, 2026
  • NE: $413.00 (asc), effective Jul 1, 2024
  • NY: $67.38 (physician_surgery, facility), effective Jul 1, 2026
  • OH: $84.44 (physician, facility), effective Jan 1, 2024
  • OK: $263.13 (asc), effective Jan 1, 2026
  • TX: $187.22 (ambulatory_surgical_center_asc_hospital_based_ambulatory_sur, Ambulatory Surgical Center (Asc) / Hospital - Based Ambulatory Surgical Center (Hasc)), effective Jun 1, 2023
  • VA: $150.17 (medical, facility), effective Jul 1, 2026
  • VT: $418.77 (outpatient_hospital_opps), effective Feb 1, 2026
  • WA: $308.28 (asc), effective Jul 1, 2026
  • WY: $238.51 (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.