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Nervous System Procedure With No Standard Listing

Mississippi rates for HCPCS 64999

Covers an operation or procedure on the nerves, spinal cord or related structures that does not match any of the standard named services. It is used when the technique is new, rare, or performed in a way that no established description fits. A written account of exactly what was done accompanies it so the work can be assessed on its own terms.

Rates data updated October 2026.

How much does Nervous System Procedure With No Standard Listing cost?

$575

Typical negotiated rate. In Mississippi, October 2026.

Insurers have agreed to pay about $575 for this service. The price depends on where it is billed: about $646 from a physician practice, and about $562 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$646$25.12 to $1,148
FacilityA hospital or hospital-owned outpatient department$562$214 to $1,000

How much rates vary

Facilitymedian $562 · 10th to 90th $102 to $1,259Professionalmedian $646 · 10th to 90th $21 to $1,148
$20$50$100$200$500$1K$2Kfacility $562professional $646

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
$478.63
Median
$933.25
Typical High
$1,819.70
Aetna
Setting
Professional
Modifier
None
Typical Low
$602.56
Median
$645.65
Typical High
$1,380.38
BCBS Mississippi
Setting
Professional
Modifier
None
Typical Low
$177.83
Median
$177.83
Typical High
$177.83
Cigna
Setting
Facility
Modifier
None
Typical Low
$630.96
Median
$1,000.00
Typical High
$1,202.26
Cigna
Setting
Professional
Modifier
None
Typical Low
$1,148.15
Median
$1,148.15
Typical High
$1,148.15
Molina
Setting
Professional
Modifier
None
Typical Low
$21.38
Median
$25.12
Typical High
$1,995.26
United
Setting
Facility
Modifier
None
Typical Low
$91.20
Median
$346.74
Typical High
$1,096.48

Where Mississippi sits

The same service costs 100.0 times more in Kentucky 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.

Mississippi· 28th of 51

$575

KY $2,951HI $29.51

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.