CPT
90471 — Immunization administration, single vaccine
ACA-covered vaccines should be free, including the admin fee.
Cardiology
93306 — Echocardiogram, complete with Doppler
Complete transthoracic echocardiogram with spectral and color flow Doppler. Standard cardiac imaging study.
- Typical setting: Hospital outpatient or cardiology clinic
- National avg charge (illustrative): Insurance allowed $200-$700; cash $300-$1,500.
- Most-disputed reason: Hospital pricing premium.
What it means
What 93306 actually means
CPT 93306 is a complete transthoracic echocardiogram (heart ultrasound) with spectral Doppler and color flow imaging. It evaluates heart structure and function.
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).
- Hospital outpatient pricing 3-5x freestanding cardiology clinic rates.
- Stress echo (93350) billed without the stress component performed.
- Out-of-network reading cardiologist balance billing.
If you see 93306 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 93306 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 93306 on a bill.
93306 FAQ
Plain-English answers.
Don't pay 93306 blindly.
The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.