MedicaidBilling CodesHigh impact
BT202186: Annual update of ICD-10 codes is effective Oct. 1, 2021
Indiana Medicaid (IHCP)·IN · Chiropractic, Emergency Medicine, OB-GYN +1 more·Claims & Billing
Effective date
Oct 1, 2021
We identified it
Jun 19, 2026
Summary
Indiana Health Coverage Programs (IHCP) is implementing the annual ICD-10 code updates effective October 1, 2021, adding new diagnosis codes for chiropractic services, emergency department autopay, prenatal care cost avoidance bypass, and presumptive eligibility for pregnant women. Billing teams must update their systems with the new ICD-10 codes to ensure proper claim processing and reimbursement.
Action Required
By October 1, 2021: Billing team must update billing software and systems with all new ICD-10 diagnosis codes listed in the bulletin. Update encounter forms to include new chiropractic diagnosis codes (M54.50, M54.51, M54.59) for chiropractor billing. Ensure emergency department coding includes new autopay diagnosis codes for proper automated processing. Update prenatal care coding to include new bypass codes for third-party liability edits. Review the full CMS ICD-10 code lists at cms.gov for complete updates. Failure to update codes may result in claim denials or processing delays.