MedicaidBilling CodesHigh impact
24-1214 Bill Correct Primary Diagnosis on Facility Claims to Avoid Payment Delays
Health Net·CA·Reimbursement
Effective date
Feb 4, 2025
We identified it
Jun 20, 2026
Summary
Starting February 4, 2025, new claim edits will automatically deny facility claims with inappropriate primary diagnosis codes, including manifestation, sequela, or circumstance codes that don't describe current illness or injury. Providers must use correct ICD-10-CM primary diagnosis codes following CMS guidelines to avoid denials.
Action Required
By February 4, 2025: Billing team must review and update primary diagnosis coding practices for all facility claims to ensure compliance with ICD-10-CM guidelines. Train coders to avoid using manifestation codes, sequela codes (7th character 'S'), or circumstance codes as primary diagnoses. Update claim review processes to verify primary diagnosis codes describe current illness or injury before submission. Claims with inappropriate primary diagnosis will be denied and require corrected claim submission.