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Cast Windowing Procedure

Massachusetts 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?

$89.13

Typical negotiated rate. In Massachusetts, October 2026.

Insurers have agreed to pay about $89.13 for this service. The price depends on where it is billed: about $89.13 from a physician practice, and about $83.18 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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$89.13$61.66 to $148
FacilityA hospital or hospital-owned outpatient department$83.18$50.12 to $501

How much rates vary

Facilitymedian $83 · 10th to 90th $41 to $1,820Professionalmedian $89 · 10th to 90th $49 to $214
$50$100$200$500$1K$2K$5Kfacility $83professional $89

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
$40.74
Median
$60.26
Typical High
$181.97
Aetna
Setting
Professional
Modifier
None
Typical Low
$40.74
Median
$60.26
Typical High
$128.82
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$257.04
Typical High
$1,862.09
AllWays Health Partners
Setting
Professional
Modifier
None
Typical Low
$51.29
Median
$104.71
Typical High
$501.19
BCBS Massachusetts
Setting
Facility
Modifier
None
Typical Low
$42.66
Median
$42.66
Typical High
$100.00
BCBS Massachusetts
Setting
Professional
Modifier
None
Typical Low
$42.66
Median
$77.62
Typical High
$134.90
Cigna
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$72.44
Typical High
$199.53
Cigna
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$87.10
Typical High
$154.88
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$42.66
Median
$56.23
Typical High
$3,311.31
Fallon Health
Setting
Professional
Modifier
None
Typical Low
$87.10
Median
$100.00
Typical High
$114.82
Harvard Pilgrim
Setting
Facility
Modifier
None
Typical Low
$87.10
Median
$537.03
Typical High
$2,818.38
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$52.48
Median
$100.00
Typical High
$190.55
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$257.04
Typical High
$1,862.09
Mass General Brigham
Setting
Professional
Modifier
None
Typical Low
$51.29
Median
$104.71
Typical High
$501.19
United
Setting
Facility
Modifier
None
Typical Low
$123.03
Median
$537.03
Typical High
$2,754.23
United
Setting
Professional
Modifier
None
Typical Low
$54.95
Median
$85.11
Typical High
$194.98
Well Sense
Setting
Facility
Modifier
None
Typical Low
$27.54
Median
$48.98
Typical High
$75.86
Well Sense
Setting
Professional
Modifier
None
Typical Low
$32.36
Median
$43.65
Typical High
$54.95
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
$20.42
Median
$30.20
Typical High
$64.57
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$8.13
Median
$12.02
Typical High
$25.70
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$6.03
Median
$9.12
Typical High
$19.50
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$4.07
Median
$6.03
Typical High
$12.88
Well Sense
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$20.89
Median
$29.51
Typical High
$39.81

Where Massachusetts 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.

Massachusetts· 10th of 51

$89.13

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.