Payer policies › CPT 8416684166 CPT® code: payer coverage and prior authorizationPayer policies and prior authorization for 84166 Payer coverage policies that name 84166 84166 appears in 4 coverage policies from Aetna, Blue Cross NC, BlueCross BlueShield of South Carolina, Cigna.
Payer Policy Role in policy Reviewed Document Aetna Venous Stenting for the Treatment of Idiopathic Intracranial Hypertension (1039) listed, no stance Jan 14, 2026 payer document Blue Cross NC Professional Pathology Billing Requirements AHS – R2169 listed, no stance (range 84030-84999) Mar 1, 2024 payer document BlueCross BlueShield of South Carolina Laboratory/Pathology Services (CAM 472) listed, no stance Jan 1, 2026 payer document Cigna Laboratory Testing Services (0604) not covered May 15, 2026 payer document
Medicaid fee-for-service AZ: $17.83 (lab), effective Oct 1, 2026 CO: $14.28 (chp_plus, non-facility), effective Jul 1, 2026 FL: $9.63 (lab_independent, non-facility), effective Jan 1, 2026 IL: $22.82 (practitioner), effective Apr 1, 2024 IN: $14.11 (professional, Advanced Practice Nurse (85%), facility), effective Jan 1, 2026 KS: $10.85 (default, Exempt Physician), effective Jul 1, 2023 KY: $17.83 (lab), effective Jan 1, 2026 LA: $7.89 (lab_radiology), effective Jan 1, 2019 MA: $13.01 (physician_surgery), effective May 1, 2024 MS: $15.18 (comprehensive), effective Jul 1, 2026 ND: $19.53 (physician), effective Aug 1, 2026 NE: $17.83 (lab), effective Jul 1, 2026 NY: $11.36 (lab), effective Aug 1, 2026 OH: $13.37 (lab), effective Jan 1, 2021 OK: $15.86 (physician, non-facility), effective Jul 1, 2026 VA: $3.05 (medical), effective Jul 1, 2024 VT: $17.38 (outpatient_hospital_opps), effective Feb 1, 2026 WA: $14.26 (kidneycenters), 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.