Imaging

70470 — CT head/brain with and without contrast

Head CT performed with and without IV contrast. More expensive than 70450 (no contrast) or 70460 (with contrast only).

  • Typical setting: Hospital outpatient or imaging center
  • National avg charge (illustrative): Insurance allowed $250-$800; cash freestanding $300-$1,000; hospital $1,500-$5,000+.
  • Most-disputed reason: Billed as 70470 when only one phase was performed.

What it means

What 70470 actually means

CPT 70470 is a CT scan of the head/brain performed both with and without IV contrast. It's used when comparison between phases is clinically necessary.

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).

If you see 70470 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 70470 often also see these adjacent codes on the same bill.

Related BillBusted guides

Plain-English reads if you see 70470 on a bill.

70470 FAQ

Plain-English answers.

Did I actually receive contrast?

Check your records. Contrast is administered intravenously and you'd usually be told beforehand and consented. If no contrast was given, 70470 (with-and-without) is incorrect — should be 70450 (without).

Don't pay 70470 blindly.

The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.