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Muscle-Relaxing Injections Into One Limb, Extensive

Rhode Island 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 October 2026.

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

$191

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $191 for this service. The price depends on where it is billed: about $191 from a physician practice, and about $871 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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$191$145 to $224
FacilityA hospital or hospital-owned outpatient department$871$389 to $1,995

How much rates vary

Facilitymedian $871 · 10th to 90th $191 to $3,981Professionalmedian $191 · 10th to 90th $129 to $309
$100$200$500$1K$2K$5Kfacility $871professional $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
$1,513.56
Median
$1,548.82
Typical High
$3,981.07
Aetna
Setting
Professional
Modifier
None
Typical Low
$141.25
Median
$190.55
Typical High
$190.55
BCBS Rhode Island
Setting
Professional
Modifier
None
Typical Low
$120.23
Median
$165.96
Typical High
$245.47
Cigna
Setting
Facility
Modifier
None
Typical Low
$141.25
Median
$194.98
Typical High
$1,202.26
Cigna
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$245.47
Typical High
$309.03
United
Setting
Facility
Modifier
None
Typical Low
$371.54
Median
$1,096.48
Typical High
$4,265.80
United
Setting
Professional
Modifier
None
Typical Low
$100.00
Median
$162.18
Typical High
$295.12
5 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
Professional
Modifier
52 · Reduced service
Typical Low
$70.79
Median
$95.50
Typical High
$95.50
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$28.18
Median
$38.02
Typical High
$38.02
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$107.15
Median
$144.54
Typical High
$144.54
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$21.38
Median
$28.84
Typical High
$28.84
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$14.13
Median
$19.05
Typical High
$19.05

Where Rhode Island sits

The same service costs 3.3 times more in Alaska than in Virginia. 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.

Rhode Island· 27th of 51

$191

AK $468VA $141

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.