Blue KC will accept CPT code 90674 for dates of service back to August 1, 2016. However, we cannot accept electronic claims for CPT code 90674 until after January 1, 2017. Claims for this specific flu vaccine (90674) may be submitted as paper claims now, or you may choose to hold these claims for electronic submission after January 1, 2017. Please contact your provider relations representative with any further questions.