Understanding Referrals in Medical Billing Processes: The 2026 Guide That Stops Denials
A referral is your PCP saying “you need to see a specialist.” Prior authorization is insurance saying “we’ll pay for it.” HMO plans always need a referral, PPO usually not, POS/Medicare Advantage/Medicaid MCO depends. Missing referral = specialist visit denied. 8% of in-network denials are for missing referral or auth. Referral goes in Box 23 on claim. Published: Aug … Read more