Introduction
The prior authorization process for Blue Cross Blue Shield of Michigan (BCBSM) is essential for ensuring that specific medical services, procedures, and medications meet medical necessity requirements. This guide provides a step-by-step approach to completing the BCBSM prior authorization form correctly, helping healthcare providers secure approvals quickly and efficiently.
What is Prior Authorization?
Prior authorization is a requirement set by BCBSM to approve certain medical treatments, prescriptions, or procedures before they are provided. This process ensures that requested services are necessary and covered under the patient’s insurance plan, preventing unnecessary healthcare costs and delays in treatment.
When is Prior Authorization Required?
BCBSM requires prior authorization for a range of services, including but not limited to:
- Advanced imaging (MRI, CT scans, PET scans)
- Specialty prescription medications
- Durable medical equipment (DME)
- Physical and occupational therapy
- Home healthcare services
- Certain surgeries and specialized procedures
Step-by-Step Guide to Completing the BCBSM Prior Authorization Form
Step 1: Download the Prior Authorization Form
Where to get it

Step 2: Enter Patient Information
Ensure all patient details are correctly provided:
- Full name
- Date of birth
- Member ID number
- Contact information
Step 3: Provide Provider Details
The healthcare provider requesting prior authorization must include:
- Provider’s full name and National Provider Identifier (NPI)
- A clinic or hospital name
- Contact information (phone, fax, email)
- Specialty and credentials
Step 4: Specify the Requested Service
Clearly outline the requested treatment, procedure, or medication, including:
- CPT or HCPCS codes
- ICD-10 diagnosis codes
- Frequency and duration (if applicable)
Step 5: Justify Medical Necessity
Attach all required supporting documents, including:
- Patient’s medical history and previous treatments
- Lab results and diagnostic reports
- Treatment plans and expected outcomes
- Clinical guidelines or supporting research studies
Step 6: Submit the Form
BCBSM allows providers to submit prior authorization requests through multiple channels:
- Fax: Use the designated fax number listed on the form
- Online Portal: Submit electronically via the BCBSM provider portal
- Phone: Contact BCBSM provider support for urgent requests
Step 7: Track Your Request
Once submitted, you can track the status of your request by:
- Logging into the BCBSM provider portal
- Contacting provider support
- Monitoring email or fax notifications for approval updates, additional documentation requests, or denials
Common Reasons for Prior Authorization Denials
To prevent delays, ensure:
- All patient and provider information is accurate
- The request aligns with BCBSM’s medical necessity guidelines
- Supporting documentation is included
- The request is submitted within the required timeframe
How Long Does Prior Authorization Take?
BCBSM typically processes prior authorization requests within the following timeframes:
- Standard requests: Reviewed within 5-7 business days
- Urgent requests: Expedited processing within 24-48 hours
Conclusion
Following the correct prior authorization process for Blue Cross Blue Shield of Michigan helps providers secure faster approvals while reducing administrative burdens. By submitting accurate information, including necessary documentation, and using the correct submission methods, providers can enhance approval rates and ensure timely patient care.
For additional assistance, visit the BCBSM Prior Authorization page or contact provider support.
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