NY MedicaidMedium ImpactBilling Codes

Submission of Secondary Claims to New York State Medicaid and Use of Claim Adjustment Reason Codes

Published May 24, 2026Effective June 1, 2026

AI Summary

New York State Medicaid now requires specific billing procedures for secondary claims and claim adjustment reason codes. For obstetric services, providers must use E/M CPT codes with TH modifier, pregnancy-related ICD-10 codes, and include Category II CPT code 0500F for initial prenatal visits when care initiates on/after June 1, 2026.

Action Required

By June 1, 2026: Obstetric providers must update billing workflows to use E/M CPT codes with TH modifier for all prenatal visits, ensure pregnancy-related O or Z ICD-10 diagnostic codes are used, and include Category II CPT code 0500F for all initial prenatal visits. Update billing system rules and encounter forms to reflect these requirements for patients initiating prenatal care on/after June 1, 2026 or with due dates on/after January 1, 2027.

Plan Types

Medicaid

States

NY

Specialties

ob-gyn

Submission of Secondary Claims to New York State Medicaid and Use of Claim Adjustment Reason Codes | NY Medicaid | PolicyChanges.app