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Muscle-Relaxing Injections Into One Limb, Extensive

Illinois 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?

$182

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $182 for this service. The price depends on where it is billed: about $178 from a physician practice, and about $724 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$178$148 to $240
FacilityA hospital or hospital-owned outpatient department$724$245 to $1,413

How much rates vary

Facilitymedian $724 · 10th to 90th $186 to $2,692Professionalmedian $178 · 10th to 90th $117 to $309
$50$100$200$500$1K$2K$5Kfacility $724professional $178

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
$134.90
Median
$1,148.15
Typical High
$5,623.41
Aetna
Setting
Professional
Modifier
None
Typical Low
$107.15
Median
$147.91
Typical High
$234.42
Ambetter
Setting
Professional
Modifier
None
Typical Low
$144.54
Median
$144.54
Typical High
$363.08
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$181.97
Median
$288.40
Typical High
$1,513.56
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$138.04
Median
$213.80
Typical High
$354.81
Cigna
Setting
Facility
Modifier
None
Typical Low
$158.49
Median
$234.42
Typical High
$676.08
Cigna
Setting
Professional
Modifier
None
Typical Low
$138.04
Median
$190.55
Typical High
$316.23
Hally Health
Setting
Professional
Modifier
None
Typical Low
$151.36
Median
$245.47
Typical High
$501.19
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$134.90
Median
$147.91
Typical High
$245.47
Molina
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$281.84
United
Setting
Facility
Modifier
None
Typical Low
$446.68
Median
$1,047.13
Typical High
$2,951.21
United
Setting
Professional
Modifier
None
Typical Low
$123.03
Median
$177.83
Typical High
$302.00
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
$52.48
Median
$70.79
Typical High
$89.13
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$21.38
Median
$28.18
Typical High
$35.48
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$79.43
Median
$107.15
Typical High
$131.83
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$15.85
Median
$21.38
Typical High
$26.30
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$10.47
Median
$14.13
Typical High
$17.78

Where Illinois 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.

Illinois· 33rd of 51

$182

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.