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Muscle-Relaxing Injections Into One Limb, Extensive

North Carolina 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?

$275

Typical negotiated rate. In North Carolina, October 2026.

Insurers have agreed to pay about $275 for this service. The price depends on where it is billed: about $275 from a physician practice, and about $229 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$275$191 to $339
FacilityA hospital or hospital-owned outpatient department$229$138 to $513

How much rates vary

Facilitymedian $229 · 10th to 90th $110 to $1,862Professionalmedian $275 · 10th to 90th $145 to $427
$100$200$500$1K$2K$5K$10Kfacility $229professional $275

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
$114.82
Median
$173.78
Typical High
$7,413.10
Aetna
Setting
Professional
Modifier
None
Typical Low
$114.82
Median
$173.78
Typical High
$263.03
Ambetter
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$162.18
Typical High
$208.93
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$81.28
Median
$120.23
Typical High
$162.18
BCBS North Carolina
Setting
Professional
Modifier
None
Typical Low
$181.97
Median
$302.00
Typical High
$426.58
Cigna
Setting
Facility
Modifier
None
Typical Low
$120.23
Median
$204.17
Typical High
$524.81
Cigna
Setting
Professional
Modifier
None
Typical Low
$141.25
Median
$190.55
Typical High
$354.81
Medcost
Setting
Professional
Modifier
None
Typical Low
$407.38
Median
$407.38
Typical High
$407.38
Medcost
Setting
Facility
Modifier
None
Typical Low
$91.20
Median
$151.36
Typical High
$251.19
Medcost
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$213.80
Typical High
$288.40
United
Setting
Facility
Modifier
None
Typical Low
$295.12
Median
$524.81
Typical High
$2,818.38
United
Setting
Professional
Modifier
None
Typical Low
$109.65
Median
$169.82
Typical High
$331.13
6 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
$57.54
Median
$79.43
Typical High
$87.10
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$22.91
Median
$31.62
Typical High
$35.48
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$85.11
Median
$117.49
Typical High
$131.83
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$16.98
Median
$23.44
Typical High
$26.30
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$11.48
Median
$15.85
Typical High
$17.38
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$107.15
Median
$107.15
Typical High
$223.87

Where North Carolina 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.

North Carolina· 6th of 51

$275

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.