UnitedHealthcareHigh ImpactPrior Auth

Massachusetts Medicaid: Prior authorization, HCPCS coding and member ID updates

Published June 3, 2026Effective January 1, 2026

AI Summary

Massachusetts Medicaid updated prior authorization requirements for home health services in SCO and One Care plans, clarified that Medicare-certified home health services no longer require prior auth, and updated HCPCS G-code requirements for billing. Some members also received new subscriber ID numbers that must be verified to prevent claim rejections.

Action Required

Immediately: Billing team must verify member subscriber IDs using Provider Portal Eligibility & Benefits search before submitting claims to prevent rejections. Update home health billing to use specified G-codes and revenue codes per the contracted payment appendix. Stop requiring prior authorization for Medicare-certified home health services but continue prior auth for ASAP services using G0156 and G0299 codes.

Affected Billing Codes

G0151G0152G0153G0155G0156G0299G0300G0493

Plan Types

Medicaid

States

MA

Specialties

all-specialties