Who is affected by this change?

This affects Blue Cross of Idaho in ID on Commercial plans.

Which billing codes are affected?

The following codes are affected: 99417, 99418.

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CommercialBilling CodesMedium impact

PAP117 - Blue Cross of Idaho Member Attribution Methodology - Removed termed code and added new codes 99417 and 99418.

Blue Cross of Idaho·ID·Coding

Effective date

Not stated

We identified it

Jun 19, 2026

Days to comply

—

Summary

Blue Cross of Idaho updated their Member Attribution Methodology by removing an unspecified termed code and adding two new prolonged service codes 99417 and 99418. This affects how providers can bill for extended patient encounters with Blue Cross of Idaho members.

Action Required

Action needed

Immediately: Billing team must update coding practices to include new CPT codes 99417 and 99418 for prolonged services with Blue Cross of Idaho patients. Update billing software to recognize these codes and ensure encounter forms include options for extended visit documentation. Verify fee schedules are updated for these codes.

Affected Billing Codes

99417

99418

Related policy hubs

Blue Cross of Idaho policies ID policy changes Code 99417 Code 99418