Blue Cross and Blue Shield of Arizona

Blue Cross and Blue Shield of Arizona Prior Authorization

Prior authorization is plan-specific. For most AZ Blue plans, requests are submitted through AZ Blue’s online standardized forms or fax forms; EviCore is used…

Short answer

Prior authorization is plan-specific. For most AZ Blue plans, requests are submitted through AZ Blue’s online standardized forms or fax forms; EviCore is used for most commercial plans and all AZ Blue-administered Medicare Advantage plans. Exceptions include…

Blue Cross and Blue Shield of Arizona publishes service-specific prior authorization guidance. Start with the payer resource below, then confirm the member's plan and the requested service before care is scheduled or submitted.

At a glance

  • Prior authorization is plan-specific. For most AZ Blue plans, requests are submitted through AZ Blue’s online standardized forms or fax forms; EviCore is used for most commercial plans and all AZ Blue-administered Medicare Advantage plans. Exceptions include ACA StandardHealth with Health Choice, BlueCard out-of-area members, CHS group plans, co-administered plans, FEP, and Medicare Advantage members with specific routing/fax rules. AZ Blue states that some requests require medical records and that authorization is not a guarantee of payment.
  • Prior authorization requirements and submission routes vary by plan type.
  • AZ Blue says prior authorization is not a guarantee of payment.
  • For some products, claim review may still occur even when authorization is not required.
  • The lookup tool and code lists may lag new/revised codes; AZ Blue reserves the right to require authorization for newly released or updated items.

Where to verify prior authorization requirements

How to submit prior authorization requests

Information commonly required

  • Member ID
  • Date of service or procedure date
  • Procedure keyword or CPT code (no brand names)
  • Plan type / member ID prefix when applicable
  • Medical records for authorization decisions are typically required
  • For urgent issues, reason for urgency / imminent treatment need

Turnaround notes and caveats

  • Unscheduled admissions require notification within 48 hours for most AZ Blue plans.
  • Medicare Advantage unscheduled admissions require notification within 24 hours.
  • Urgent assistance is available 24/7 via UtilMgmt@azblue.com or 602-864-4320.
  • Some large groups have customized extended hours and card-specific contact information.
  • Prior authorization requirements and submission routes vary by plan type.
  • AZ Blue says prior authorization is not a guarantee of payment.
  • For some products, claim review may still occur even when authorization is not required.
  • The lookup tool and code lists may lag new/revised codes; AZ Blue reserves the right to require authorization for newly released or updated items.

Provider resources

Sources

FactValueSourceConfidence
AZ Blue prior auth lookupTool for checking whether prior authorization is required; notes 24/7 urgent assistance at UtilMgmt@azblue.com or 602-864-4320.Officialhigh
Prior authorization quick guideMost AZ Blue plans use standardized online or fax requests; EviCore applies to most commercial and all AZ Blue-administered MA plans; exceptions listed for ACA StandardHealth with Health Choice, BlueCard, CHS, co-administered, FEP, and MA.Officialhigh
Electronic optionsElectronic claim adjustments must use an 837 electronic adjustment request and the same claim type as the original claim.Officialhigh

Last reviewed: March 27, 2026

Sources used: 3 official

Automating prior authorization work

Clark Street Health is testing early-access workflows for requirements checks, status follow-up, document routing, and staff exceptions. Payer rules and clinical decisions still need the controls defined by your practice.

Review the prior authorization workflow