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Brain MRI During Surgery, Without Contrast

Tennessee rates for HCPCS 70557

An MRI of the brain, brain stem and skull base taken while the skull is open during an operation, with no contrast injection. It gives the surgeon an updated picture partway through the procedure, showing how much of the target has been removed and how the brain has shifted since the operation began.

Rates data updated October 2026.

How much does Brain MRI During Surgery, Without Contrast cost?

$776

Typical negotiated rate. In Tennessee, October 2026.

Insurers have agreed to pay about $776 for this service. Most negotiated rates run $575 to $1,585.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $1,585 · 10th to 90th $513 to $5,012Professionalmedian $776 · 10th to 90th $427 to $7,079
$500$1K$2K$5Kfacility $1,585professional $776

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$512.86
Median
$776.25
Typical High
$1,584.89
Aetna
Setting
Facility
Modifier
TC · Technical part
Typical Low
$537.03
Median
$549.54
Typical High
$1,148.15
Aetna
Setting
Professional
Modifier
None (both parts)
Typical Low
$501.19
Median
$758.58
Typical High
$776.25
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$154.88
Median
$239.88
Typical High
$239.88
Aetna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$398.11
Median
$691.83
Typical High
$691.83
BCBS Tennessee
Setting
Professional
Modifier
None (both parts)
Typical Low
$338.84
Median
$549.54
Typical High
$1,023.29
BCBS Tennessee
Setting
Professional
Modifier
26 · Professional part
Typical Low
$128.82
Median
$194.98
Typical High
$323.59
BCBS Tennessee
Setting
Professional
Modifier
TC · Technical part
Typical Low
$288.40
Median
$389.05
Typical High
$724.44
Cigna
Setting
Facility
Modifier
None
Typical Low
$2,290.87
Median
$4,466.84
Typical High
$6,165.95
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$831.76
Median
$1,202.26
Typical High
$2,691.53
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$120.23
Median
$165.96
Typical High
$331.13
Cigna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$758.58
Median
$1,000.00
Typical High
$2,398.83
Lucent Health
Setting
Professional
Modifier
None (both parts)
Typical Low
$7,079.46
Median
$7,079.46
Typical High
$7,079.46
Lucent Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$1,288.25
Median
$1,659.59
Typical High
$1,659.59
Lucent Health
Setting
Professional
Modifier
TC · Technical part
Typical Low
$6,918.31
Median
$6,918.31
Typical High
$6,918.31
United
Setting
Professional
Modifier
None (both parts)
Typical Low
$389.05
Median
$588.84
Typical High
$1,318.26
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$147.91
Median
$173.78
Typical High
$331.13
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$234.42
Median
$446.68
Typical High
$1,000.00
6 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$269.15
Median
$275.42
Typical High
$575.44
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$107.15
Median
$109.65
Typical High
$229.09
Aetna
Setting
Facility
Modifier
FX · Film X-ray
Typical Low
$426.58
Median
$446.68
Typical High
$933.25
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$257.04
Median
$380.19
Typical High
$389.05
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$102.33
Median
$154.88
Typical High
$154.88
Aetna
Setting
Professional
Modifier
FX · Film X-ray
Typical Low
$426.58
Median
$616.60
Typical High
$616.60

Where Tennessee sits

The same service costs 12.3 times more in Wyoming than in Hawaii. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Tennessee· 26th of 51

$776

WY $3,467HI $282

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.