CPT
70450 — CT scan of head/brain without contrast
Same scan can cost 5x more at a hospital than at an imaging center.
Imaging
77067 — Screening mammography, bilateral , including CAD when performed
A routine bilateral breast cancer screening X-ray that takes two views of each breast and may use computer-aided detection software to flag potential abnormalities.
- Typical setting: Hospital, imaging center
- National avg charge (illustrative): $80–$175 Medicare allowed; $100–$400 commercial; most covered at 100% for preventive care; varies by region
- Most-disputed reason: Billing 77067 (screening) with 77065 or 77066 (diagnostic) on the same date — if a screening finds something requiring additional views, billing rules require specific modifier usage (GG modifier for Medicare)
What it means
What 77067 actually means
A routine bilateral breast cancer screening X-ray that takes two views of each breast and may use computer-aided detection software to flag potential abnormalities. It is recommended annually or biennially for women at average risk, typically starting at age 40 or 50 depending on guidelines.
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).
- Billing 77067 (screening) with 77065 or 77066 (diagnostic) on the same date — if a screening finds something requiring additional views, billing rules require specific modifier usage (GG modifier for Medicare)
- Using screening code 77067 when the patient had a prior biopsy or is symptomatic — those patients should be billed with diagnostic codes
- Billing 3D tomosynthesis add-on codes (77063) separately when some payers bundle it into 77067 or require it to be billed as a complete separate code
If you see 77067 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 77067 often also see these adjacent codes on the same bill.
CPT
70470 — CT head/brain with and without contrast
If contrast wasn't given, 70470 is the wrong code.
CPT
70486 — CT maxillofacial area; without contrast material
Imaging — verify professional + technical components weren't double-billed.
CPT
70551 — MRI brain without contrast
Same scan can be 5x cheaper at a freestanding imaging center.
CPT
71045 — Chest X-ray, single view
Same image can cost 10x more at a hospital than a freestanding imaging center.
CPT
71046 — Chest X-ray, two views (PA + lateral)
Two-view CXR is standard. Watch the price gap between hospital and freestanding.
Related BillBusted guides
Plain-English reads if you see 77067 on a bill.
77067 FAQ
Plain-English answers.
What does 77067 usually cost?
$80–$175 Medicare allowed; $100–$400 commercial; most covered at 100% for preventive care; varies by region. 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 77067?
Billing 77067 (screening) with 77065 or 77066 (diagnostic) on the same date — if a screening finds something requiring additional views, billing rules require specific modifier usage (GG modifier for Medicare)
What should I do if I see 77067 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 77067 before paying.
Don't pay 77067 blindly.
The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.