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Cast Windowing Procedure

Michigan 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?

$63.10

Typical negotiated rate. In Michigan, October 2026.

Insurers have agreed to pay about $63.10 for this service. The price depends on where it is billed: about $63.10 from a physician practice, and about $70.79 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$63.10$52.48 to $83.18
FacilityA hospital or hospital-owned outpatient department$70.79$50.12 to $138

How much rates vary

Facilitymedian $71 · 10th to 90th $47 to $234Professionalmedian $63 · 10th to 90th $40 to $89
$10$20$50$100$200$500$1Kfacility $71professional $63

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
$56.23
Median
$58.88
Typical High
$85.11
Aetna
Setting
Professional
Modifier
None
Typical Low
$39.81
Median
$58.88
Typical High
$85.11
BCBS Michigan
Setting
Facility
Modifier
None
Typical Low
$46.77
Median
$60.26
Typical High
$134.90
BCBS Michigan
Setting
Professional
Modifier
None
Typical Low
$10.23
Median
$60.26
Typical High
$112.20
Cigna
Setting
Professional
Modifier
None
Typical Low
$37.15
Median
$61.66
Typical High
$100.00
Health Alliance Plan
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$58.88
Typical High
$190.55
Health Alliance Plan
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$64.57
Typical High
$87.10
Priority Health
Setting
Professional
Modifier
None
Typical Low
$36.31
Median
$54.95
Typical High
$87.10
United
Setting
Facility
Modifier
None
Typical Low
$91.20
Median
$177.83
Typical High
$1,202.26
United
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$63.10
Typical High
$81.28
8 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
$28.18
Median
$29.51
Typical High
$42.66
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$11.48
Median
$11.75
Typical High
$16.98
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$8.51
Median
$8.91
Typical High
$12.59
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$5.75
Median
$5.89
Typical High
$8.51
Health Alliance Plan
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$28.18
Median
$29.51
Typical High
$41.69
Health Alliance Plan
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$11.48
Median
$11.75
Typical High
$16.60
Health Alliance Plan
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$8.51
Median
$8.91
Typical High
$12.59
Health Alliance Plan
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$5.62
Median
$5.89
Typical High
$8.32

Where Michigan 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.

Michigan· 38th of 51

$63.10

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.