MedicaidAdministrativeHigh impact
Health First Colorado (Colorado's Medicaid Program) News and Updates (B2600533 - 01/2026)
Colorado Medicaid·CO·Provider Bulletin
Effective date
Jan 1, 2026
We identified it
Jun 20, 2026
Summary
Colorado Medicaid (Health First Colorado) has implemented multiple policy changes effective January 2026, including new file naming requirements for trading partners, updated drug testing medical necessity standards, and clarifications on member billing restrictions. Trading partners must immediately update X12 file naming standards or claims processing will be affected.
Action Required
Immediately: Contact your clearinghouse or billing vendor to confirm they have implemented the new X12 file naming standards for Colorado Medicaid claims. By February 1, 2026: Review and implement new drug testing medical necessity documentation requirements from the Laboratory Services Billing Manual. Billing team must ensure all drug testing claims meet the specific criteria and documentation standards or claims will be denied.