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Muscle-Relaxing Injections Into One Limb, Extensive

Missouri 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?

$174

Typical negotiated rate. In Missouri, October 2026.

Insurers have agreed to pay about $174 for this service. The price depends on where it is billed: about $166 from a physician practice, and about $1,096 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$166$120 to $245
FacilityA hospital or hospital-owned outpatient department$1,096$339 to $1,950

How much rates vary

Facilitymedian $1,096 · 10th to 90th $126 to $3,548Professionalmedian $166 · 10th to 90th $107 to $851
$100$200$500$1K$2K$5Kfacility $1,096professional $166

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
$147.91
Median
$2,570.40
Typical High
$6,309.57
Aetna
Setting
Professional
Modifier
None
Typical Low
$95.50
Median
$147.91
Typical High
$218.78
Ambetter
Setting
Professional
Modifier
None
Typical Low
$120.23
Median
$173.78
Typical High
$199.53
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$151.36
Median
$1,621.81
Typical High
$3,890.45
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$100.00
Median
$123.03
Typical High
$199.53
BCBS Kansas City
Setting
Professional
Modifier
None
Typical Low
$107.15
Median
$186.21
Typical High
$229.09
Cigna
Setting
Facility
Modifier
None
Typical Low
$66.07
Median
$147.91
Typical High
$575.44
Cigna
Setting
Professional
Modifier
None
Typical Low
$123.03
Median
$165.96
Typical High
$263.03
Medica
Setting
Facility
Modifier
None
Typical Low
$54.95
Median
$537.03
Typical High
$1,949.84
Medica
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$851.14
Typical High
$1,318.26
United
Setting
Facility
Modifier
None
Typical Low
$398.11
Median
$1,148.15
Typical High
$2,238.72
United
Setting
Professional
Modifier
None
Typical Low
$125.89
Median
$204.17
Typical High
$323.59
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
$47.86
Median
$72.44
Typical High
$89.13
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$19.05
Median
$29.51
Typical High
$36.31
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$72.44
Median
$109.65
Typical High
$134.90
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$14.45
Median
$21.88
Typical High
$26.92
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$9.55
Median
$14.79
Typical High
$18.20

Where Missouri 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.

Missouri· 37th of 51

$174

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.