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Muscle-Relaxing Injections Into One Limb, Extensive

Delaware 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?

$158

Typical negotiated rate. In Delaware, October 2026.

Insurers have agreed to pay about $158 for this service. The price depends on where it is billed: about $148 from a physician practice, and about $347 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$148$120 to $178
FacilityA hospital or hospital-owned outpatient department$347$182 to $537

How much rates vary

Facilitymedian $347 · 10th to 90th $129 to $1,698Professionalmedian $148 · 10th to 90th $107 to $240
$100$200$500$1K$2K$5Kfacility $347professional $148

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
$112.20
Median
$173.78
Typical High
$7,244.36
Aetna
Setting
Professional
Modifier
None
Typical Low
$112.20
Median
$158.49
Typical High
$251.19
Cigna
Setting
Facility
Modifier
None
Typical Low
$85.11
Median
$177.83
Typical High
$645.65
Cigna
Setting
Professional
Modifier
None
Typical Low
$128.82
Median
$169.82
Typical High
$229.09
Highmark BCBS
Setting
Facility
Modifier
None
Typical Low
$4,168.69
Median
$4,168.69
Typical High
$4,168.69
Highmark BCBS
Setting
Professional
Modifier
None
Typical Low
$181.97
Median
$181.97
Typical High
$1,000.00
United
Setting
Facility
Modifier
None
Typical Low
$229.09
Median
$398.11
Typical High
$1,698.24
United
Setting
Professional
Modifier
None
Typical Low
$97.72
Median
$144.54
Typical High
$229.09
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
$56.23
Median
$64.57
Typical High
$87.10
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$22.39
Median
$25.70
Typical High
$34.67
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$85.11
Median
$95.50
Typical High
$131.83
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$16.98
Median
$19.50
Typical High
$26.30
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$11.22
Median
$12.88
Typical High
$17.38

Where Delaware 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.

Delaware· 43rd of 51

$158

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.