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Muscle-Relaxing Injections Into One Limb, Extensive

Tennessee 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 Tennessee, October 2026.

Insurers have agreed to pay about $191 for this service. The price depends on where it is billed: about $178 from a physician practice, and about $759 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$178$141 to $245
FacilityA hospital or hospital-owned outpatient department$759$437 to $1,479

How much rates vary

Facilitymedian $759 · 10th to 90th $155 to $2,291Professionalmedian $178 · 10th to 90th $110 to $1,259
$100$200$500$1K$2K$5Kfacility $759professional $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
$891.25
Median
$2,290.87
Typical High
$7,585.78
Aetna
Setting
Professional
Modifier
None
Typical Low
$107.15
Median
$162.18
Typical High
$229.09
Ambetter
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$162.18
Typical High
$302.00
BCBS Tennessee
Setting
Facility
Modifier
None
Typical Low
$407.38
Median
$812.83
Typical High
$1,905.46
BCBS Tennessee
Setting
Professional
Modifier
None
Typical Low
$134.90
Median
$177.83
Typical High
$269.15
Cigna
Setting
Facility
Modifier
None
Typical Low
$56.23
Median
$151.36
Typical High
$602.56
Cigna
Setting
Professional
Modifier
None
Typical Low
$104.71
Median
$162.18
Typical High
$263.03
Lucent Health
Setting
Professional
Modifier
None
Typical Low
$1,258.93
Median
$1,659.59
Typical High
$1,659.59
United
Setting
Facility
Modifier
None
Typical Low
$346.74
Median
$1,047.13
Typical High
$2,511.89
United
Setting
Professional
Modifier
None
Typical Low
$104.71
Median
$162.18
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
$53.70
Median
$79.43
Typical High
$112.20
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$21.38
Median
$31.62
Typical High
$45.71
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$81.28
Median
$117.49
Typical High
$169.82
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$16.22
Median
$23.44
Typical High
$33.88
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$10.72
Median
$15.85
Typical High
$22.39

Where Tennessee 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.

Tennessee· 25th 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.