84490 CPT® code: payer coverage and prior authorization

Payer policies and prior authorization for 84490

Payer coverage policies that name 84490

84490 appears in 3 coverage policies from Blue Cross & Blue Shield of Mississippi, Blue Cross NC, Cigna.

PayerPolicyRole in policyReviewedDocument
Blue Cross & Blue Shield of MississippiFecal Analysis In The Diagnosis Of Intestinal Dysbiosisunproven / investigationalpayer document
Blue Cross NCProfessional Pathology Billing Requirements AHS – R2169listed, no stance (range 84030-84999)Mar 1, 2024payer document
CignaLaboratory Testing Services (0604)not coveredMay 15, 2026payer document

Medicaid fee-for-service

  • AZ: $9.93 (lab), effective Oct 1, 2026
  • CO: $9.93 (lab_cdl), effective Oct 1, 2025
  • FL: $5.36 (lab_independent, non-facility), effective Jan 1, 2026
  • IL: $6.95 (practitioner), effective Apr 1, 2024
  • IN: $8.44 (professional, Advanced Practice Nurse (85%), non-facility), effective Jan 1, 2024
  • KS: $7.65 (default, Exempt Physician), effective Jul 1, 1987
  • KY: $9.93 (lab), effective Jan 1, 2026
  • LA: $8.44 (lab_radiology), effective Jul 1, 2025
  • MS: $8.94 (comprehensive), effective Jul 1, 2026
  • ND: $9.93 (physician), effective Aug 1, 2026
  • NE: $9.93 (lab), effective Jul 1, 2026
  • OH: $7.45 (lab), effective Apr 1, 2019
  • OK: $8.83 (physician, non-facility), effective Jul 1, 2026
  • VA: $2.17 (medical), effective Jul 1, 2014
  • VT: $9.68 (outpatient_hospital_opps), effective Feb 1, 2026
  • WA: $7.94 (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.