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Muscle-Relaxing Injections Into One Limb, Extensive

Maryland rates for HCPCS 64644

This service delivers injections of a muscle-relaxing medication into multiple muscles of a single arm or leg, used to ease stiffness or spasticity caused by conditions that overactivate certain muscles. It covers treatment of a larger number of muscles in that limb than the more limited version of this same treatment.

Rates data updated July 2026.

How much does Muscle-Relaxing Injections Into One Limb, Extensive cost?

$170

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $170 for this service. The price depends on where it is billed: about $170 from a physician practice, and about $245 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 6 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$170$123 to $229
FacilityA hospital or hospital-owned outpatient department$245$123 to $891

How much rates vary

Facilitymedian $245 · 10th to 90th $59 to $891Professionalmedian $170 · 10th to 90th $107 to $457
$100.0$200.0$500.0$1.0Kfacility $245professional $170

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. 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
Global
Typical Low
$58.88
Median
$251.19
Typical High
$891.25
Aetna
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$165.96
Typical High
$457.09
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$109.65
Median
$109.65
Typical High
$141.25
Cigna
Setting
Facility
Modifier
Global
Typical Low
$50.12
Median
$95.50
Typical High
$645.65
Cigna
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$181.97
Typical High
$346.74
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$194.98
Median
$229.09
Typical High
$346.74
United
Setting
Facility
Modifier
Global
Typical Low
$109.65
Median
$131.83
Typical High
$426.58
United
Setting
Professional
Modifier
Global
Typical Low
$109.65
Median
$177.83
Typical High
$323.59
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$165.96
Median
$234.42
Typical High
$288.40

Where Maryland sits

The same service costs 2.2 times more in Wisconsin than in Kentucky. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Maryland $170 · 42nd of 51
WI $339KY $155

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.