CPT
90471 — Immunization administration, single vaccine
ACA-covered vaccines should be free, including the admin fee.
Vaccines
90744 — Hepatitis B vaccine , pediatric/adolescent dosage, IM
This is the hepatitis B vaccine given to babies and children, which protects against hepatitis B, a viral liver infection.
- Typical setting: Pediatrician's office, clinic
- National avg charge (illustrative): $35–$70 per dose
- Most-disputed reason: Using 90744 for an adult patient — adults should receive 90746 (adult dose formulation)
What it means
What 90744 actually means
This is the hepatitis B vaccine given to babies and children, which protects against hepatitis B, a viral liver infection. Babies receive a 3-dose series starting at birth; 90744 is the pediatric/adolescent formulation only.
Common errors with this code
What goes wrong on real bills.
Most bills that look correct still contain at least one of these issues. Up to 49% of medical bills contain errors (CFPB).
- Using 90744 for an adult patient — adults should receive 90746 (adult dose formulation)
- Billing 90744 twice in one visit when the physician gave one adult-dose equivalent using two pediatric-dose vials — one administration should be documented
- Missing administration code (90471 or 90460)
If you see 90744 on your bill
Three steps before paying.
1. Get the itemized bill. If your statement only shows a summary, request the CPT-level itemized bill before paying. Generate the request language →
2. Cross-check against the EOB. Compare what your insurer's Explanation of Benefits says you owe versus what the hospital is asking. They disagree more often than people think. Read the bill-vs-EOB guide →
3. Run a free Bill Scan. Upload the bill (and EOB if you have it) and BillBusted will flag the most likely issues with this specific code in your specific state. Run free scan →
Related codes
Other codes in this category.
People who land on 90744 often also see these adjacent codes on the same bill.
CPT
90472 — Immunization admin; each additional vaccine
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90651 — Human papillomavirus vaccine types 6, 11, 16, 18, 31, 33, 45, 52, 58, nonavalent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90670 — Pneumococcal conjugate vaccine, 13 valent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90671 — Pneumococcal conjugate vaccine, 15 valent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90677 — Pneumococcal conjugate vaccine, 20 valent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
Related BillBusted guides
Plain-English reads if you see 90744 on a bill.
90744 FAQ
Plain-English answers.
What does 90744 usually cost?
$35–$70 per dose. Costs vary by region, payer contract, and whether the service was performed in a hospital outpatient department (which adds a facility fee) versus a free-standing clinic.
What's the most common billing error on 90744?
Using 90744 for an adult patient — adults should receive 90746 (adult dose formulation)
What should I do if I see 90744 on my bill?
Request the itemized bill and the matching EOB from your insurer. Compare the units/quantity billed against what you actually received. Run a free BillBusted scan to flag the most likely errors specific to 90744 before paying.
Don't pay 90744 blindly.
The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.