800-392-8030: MO HealthNet Pharmacy, Pre-certification and Exceptions Help Desk

Quick answer

(800) 392-8030 reaches Medicaid Missouri (pharmacy, medical pre-certification and exceptions help desk). It is answered by automated phone menu. From the greeting, press 1 for hours of operation and fax numbers; press 2 for Medical pre-certification: durable medical equipment or optical; press 3 for drug edit override authorization; press 4 for exception process for non-covered services or items.

Line at a glance

Health planMedicaid Missouri
DepartmentPharmacy, Medical Pre-certification and Exceptions Help Desk
PurposeMO HealthNet help desk for pharmacy providers, medical pre-certification of DME, optical and imaging services, drug edit overrides and exception requests.
Answered byAutomated phone menu
How to respondKeypad
Supported languagesEnglish
HoursPharmacy help desk: 8 AM to 7 PM Monday to Friday, 8 AM to 6 PM Saturday and Sunday. Medical pre-certification and exceptions help desks: 8 AM to 5 PM Monday to Friday. Hours may differ on holidays.
Have readyMO HealthNet participant ID, NPI

Questions about (800) 392-8030

What are the MO HealthNet pharmacy help desk hours?

8 AM to 7 PM Monday through Friday and 8 AM to 6 PM Saturday and Sunday. Hours may differ on holidays.

What are the fax numbers?

The pharmacy help desk fax is 573-636-6470 and the exceptions help desk fax is 573-522-3061.

Can providers get pre-certification online?

Yes. The line says providers may obtain pre-certification through CyberAccess, and new users can contact the Conduent help desk at 888-581-9797.

What should pharmacy providers do before calling?

Make sure the claim has been submitted and rejected, and have the participant's MO HealthNet ID and the provider NPI ready.

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services, including claims affected by the 2027 CPT code revisions, please consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.