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Cast Windowing Procedure

Illinois rates for HCPCS 29730

This procedure cuts a small opening, or window, into an existing cast without removing the entire cast. It allows a clinician to inspect, clean, or treat the skin or a wound underneath while the rest of the limb stays supported and protected. The cut-out section can often be taped back in place afterward.

Rates data updated October 2026.

How much does Cast Windowing Procedure cost?

$67.61

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $67.61 for this service. The price depends on where it is billed: about $67.61 from a physician practice, and about $219 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$67.61$51.29 to $81.28
FacilityA hospital or hospital-owned outpatient department$219$83.18 to $513

How much rates vary

Facilitymedian $219 · 10th to 90th $62 to $1,023Professionalmedian $68 · 10th to 90th $45 to $112
$50$100$200$500$1K$2Kfacility $219professional $68

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
$41.69
Median
$58.88
Typical High
$162.18
Aetna
Setting
Professional
Modifier
None
Typical Low
$41.69
Median
$53.70
Typical High
$63.10
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$61.66
Median
$208.93
Typical High
$575.44
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$48.98
Median
$81.28
Typical High
$112.20
Cigna
Setting
Facility
Modifier
None
Typical Low
$51.29
Median
$74.13
Typical High
$128.82
Cigna
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$66.07
Typical High
$102.33
Hally Health
Setting
Professional
Modifier
None
Typical Low
$58.88
Median
$89.13
Typical High
$186.21
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
$51.29
Median
$56.23
Typical High
$89.13
Molina
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$97.72
United
Setting
Facility
Modifier
None
Typical Low
$141.25
Median
$457.09
Typical High
$1,819.70
United
Setting
Professional
Modifier
None
Typical Low
$45.71
Median
$64.57
Typical High
$109.65
4 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
$21.38
Median
$26.92
Typical High
$31.62
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$8.51
Median
$10.72
Typical High
$12.59
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$6.46
Median
$8.13
Typical High
$9.55
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$4.27
Median
$5.37
Typical High
$6.31

Where Illinois sits

The same service costs 3.5 times more in Alaska than in Florida. 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· 30th of 51

$67.61

AK $182FL $52.48

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.