When Billing Code 90714 Isn’t Recognized In medical billing, code recognition is not the only reason for denial. 90714 is a new medical billing CPT code. If this code is denied, make sure you get the full story. In medical billing, code recognition is not an acceptable reason for denial. When new medical billing codes are introduced there is a lag period that lets coders and payers get adjusted for that specific code. HIPPAA sets an effective date for all medical billing codes that states when companies must begin using the codes or accepting the new codes. It is illegal to deny claims for no recognition if the code effective …