Provider Toolkit: Prior Authorization Guide
Pre-Auth Needed Tool Use the Pre-Auth Needed Tool on Ambetter.HomeStateHealth.com to quickly determine if a service or procedure requires prior authorization.
Submit Prior Authorization
If a service requires authorization, submit via one of the following ways:
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SECURE WEB PORTAL
Provider.HomeStateHealth.com
As of 1/1/2021 all Prior Authorizations should be submitted through the Secure Web Portal. This is the required and fastest method.
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PHONE
1-855-650-3789
After normal business hours and on holidays, calls are directed to the plan’s 24-hour nurse advice line. Notification of authorization will be returned by phone, fax or web.
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FAX
Medical and Behavioral Health
1-855-690-5433
- Emergency services DO NOT require prior authorization.
- All out-of-network services and providers DO require prior authorization.
- Failure to complete the required authorization or notification may result in a denied claim.
- Failure to obtain a prior authorization for any code(s) on the claim that required prior authorization, will result in a denial of the entire claim.
- If additional procedures are performed during the procedure, the provider must contact the health plan to update the authorization within 72 hours of the procedure in order to avoid a claim denial.
- Ambetter will update authorizations but will not retro-authorize services.
Services and Procedures Requiring Prior Authorization
THE FOLLOWING LIST IS NOT ALL-INCLUSIVE
- Air ambulance transport (non-emergent fixed wing airplane)
- Durable Medical Equipment (DME)
- Home healthcare services
- Hospice
- Furnished medical supplies
- Orthotics/prosthetics
- Genetic testing
- Quantitative urine drug screen
- Reconstructive surgery
- Experimental or investigational
- High Tech Imaging administered by NIA (CT, MRI, PET):
- Submit requests to RadMD.com
- All inpatient admissions (within 1 business day of admission)
- Observation stays exceeding 48 hours
- Notification is required within 1 business day if admitted
All elective/scheduled admission notifications requested at least 5 days prior to the scheduled date of admit including but not limited to:
- Medical admissions
- Surgical admissions
- Hospice care
- Rehabilitation facilities
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LOG INTO OUR SECURE WEB PORTAL
Language Access
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Ambetter from Home State Health is underwritten by Celtic Insurance Company, which is a Qualified Health Plan issuer in the Missouri Health Insurance Marketplace.This is a solicitation for insurance. © 2024 Celtic Insurance Company. All rights reserved.