G0121 Colon ca scrn not hi rsk ind

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk

Medically Unlikely Edits (effective October 1, 2026)

Medicare pricing for G0121

Physician Fee Schedule (CY 2026, RVU26D)

Status A: active, paid separately under the PFS if covered. Global period 000. Qualifying APM participants are paid at a $33.5675 conversion factor.

Payer policies and prior authorization for G0121

2 of 2 payer prior-auth lists that name G0121 require prior authorization or set conditions: Neighborhood Health Partnership, UnitedHealthcare.

PayerPlanStatePrior authConditionsSinceSource
Neighborhood Health PartnershipNeighborhood Health PartnershipFLprior auth requiredsite of care: site of service reviewedSep 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 G0121

G0121 appears in 10 coverage policies from Aetna, Anthem, Blue Cross & Blue Shield of Mississippi, Centene, Premera Blue Cross, Regence, UnitedHealthcare.

PayerPolicyRole in policyReviewedDocument
AetnaColonoscopy, Colorectal Cancer Screening, and Related Procedures (0516)covered if criteria are metAug 20, 2026payer document
AetnaIn Vivo Analysis of Gastro-Intestinal and Urothelial Lesions (0783)listed, no stanceDec 11, 2025payer document
AetnaVirtual Gastrointestinal Endoscopy (0535)listed, no stanceJul 30, 2026payer document
AnthemColonoscopy (CG-SURG-01)covered if criteria are metAug 13, 2026payer document
Blue Cross & Blue Shield of MississippiColonoscopy Flexible Sigmoidoscopy And Ct Colonography (L.2.04.403)covered if criteria are metpayer document
CenteneAnesthesiology Services for Gastrointestinal Endoscopy (CP.MP.161)covered if criteria are metMay 1, 2019payer document
Premera Blue CrossPreventive Carecovered if criteria are metSep 21, 2026payer document
RegenceSurgical Site of Care – Colonoscopy and Sigmoidoscopy (Utilization Management 20)listed, no stanceFeb 1, 2026payer document
UnitedHealthcarePreventive Care Services (MP.016.59)
USPSTF Rating (May 2021): B
listed, no stanceJul 1, 2026payer document
UnitedHealthcareScreening Colonoscopy Procedures – Site of Service (MP.15.14)listed, no stanceJul 1, 2026payer document

Recent prior-auth changes

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

Medicaid fee-for-service

  • AZ: $297.60 (asc), effective Oct 1, 2026
  • CO: $126.85 (chp_plus, non-facility), effective Jul 1, 2026
  • IL: $179.05 (practitioner), effective Apr 1, 2024
  • IN: $140.88 (professional, Advanced Practice Nurse (85%), facility), effective Jan 1, 2026
  • KS: $243.37 (asc, facility), effective Jan 1, 2022
  • KY: $498.31 (asc), effective Jan 1, 2026
  • LA: $182.30 (asc), effective Jul 1, 2012
  • MA: $328.08 (asc), effective May 1, 2026
  • MS: $391.58 (comprehensive, facility), effective Oct 1, 2025
  • ND: $293.76 (physician, facility), effective Aug 1, 2026
  • NE: $413.00 (asc), effective Jul 1, 2024
  • OK: $454.62 (asc), effective Jan 1, 2026
  • TX: $328.50 (ambulatory_surgical_center_asc_hospital_based_ambulatory_sur, Ambulatory Surgical Center (Asc) / Hospital - Based Ambulatory Surgical Center (Hasc)), effective Jun 1, 2023
  • VA: $258.79 (medical), effective Jul 1, 2005
  • VT: $722.08 (outpatient_hospital_opps), effective Feb 1, 2026
  • WA: $308.28 (asc), effective Jul 1, 2026
  • WY: $411.26 (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.