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Nervous System Procedure With No Standard Listing

Massachusetts 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?

$724

Typical facility fee. In Massachusetts, October 2026.

Insurers have agreed to pay about $724 for this service. Most negotiated rates run $302 to $3,090.

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 9 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $724 · 10th to 90th $135 to $3,631Professionalmedian $191 · 10th to 90th $48 to $18,621
$50$200$1K$5Kfacility $724professional $191

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$1,318.26
Median
$2,238.72
Typical High
$3,630.78
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$131.83
Median
$524.81
Typical High
$2,041.74
Cigna
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$446.68
Typical High
$954.99
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$83.18
Median
$3,311.31
Typical High
$7,079.46
Harvard Pilgrim
Setting
Facility
Modifier
None
Typical Low
$87.10
Median
$537.03
Typical High
$2,818.38
Health New England
Setting
Facility
Modifier
None
Typical Low
$363.08
Median
$363.08
Typical High
$3,630.78
Health New England
Setting
Professional
Modifier
None
Typical Low
$47.86
Median
$190.55
Typical High
$18,620.87
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$131.83
Median
$524.81
Typical High
$2,041.74
United
Setting
Facility
Modifier
None
Typical Low
$123.03
Median
$537.03
Typical High
$2,754.23
Well Sense
Setting
Facility
Modifier
None
Typical Low
$2,511.89
Median
$3,467.37
Typical High
$5,754.40
1 more rate 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
Well Sense
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$1,995.26
Median
$1,995.26
Typical High
$2,691.53

Where Massachusetts 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.

Massachusetts· 21st of 51

$724

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.