Price Checker / CPT 27422
How much does Revision Of Unstable Kneecap cost?
CPT 27422 · Based on 2026 Medicare rates and hospital-published pricing
The average hospital charge is roughly 7.3x the fair price. This is well above fair — push back or dispute it.
Fair price
$1,050–$2,100
What this should cost
With insurance
~$4,050
Typical out-of-pocket
Overcharged if over
$2,650
Push back above this
The average hospital charge of $11,630 is $10,030 over the fair price (about 7.3x the fair rate).
What hospitals charge for Revision Of Unstable Kneecap
From hospital-published transparency (MRF) files. These are the hospitals in our database that list this procedure.
| Hospital | Gross Charge | Cash Rate | vs Medicare |
|---|---|---|---|
| Stony Brook Southampton Hospital , NY | $12,968 | — | 10782% |
| Stony Brook University Hospital , NY | $8,432 | — | 10782% |
| Fauquier Health , VA | $21,355 | — | 2956% |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - WAXAHACHIE Waxahachie, TX | — | — | 2794% |
| WTH Henry County Hospital , TN | $22,923 | — | 2524% |
| Ashley Regional Medical Center VERNAL, UT | $13,466 | — | 1827% |
| Northern Itasca Hospital District , MN | $11,840 | $8,406 | 1594% |
| Shriners Childrens Chicago , IL | $7,868 | — | 1137% |
| Shriners Childrens Honolulu , HI | $7,868 | — | 1137% |
| Shriners Childrens Philadelphia , PA | $7,868 | — | 1137% |
| Shriners Childrens Portland , OR | $16,368 | — | 1137% |
| Shriners Childrens Spokane , WA | $13,085 | — | 1137% |
| Ashley County Medical Center Crossett, AR | $1,683 | — | 863% |
| Washington County Memorial Hospital POTOSI, MO | $1,212 | — | 800% |
| Kansas Spine & Specialty Hospital , KS | $7,298 | — | 339% |
Were you billed for this procedure?
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About Revision Of Unstable Kneecap
CPT code 27422 refers to revision of unstable kneecap (billing description: "Revision of unstable kneecap"). Under the 2026 Medicare Physician Fee Schedule, it is reimbursed at $699 in a facility (hospital or surgery center) and $699 in a doctor's office.
The Medicare rate is the closest thing to an objective "what this work is actually worth." A fair cash price for the uninsured is generally 1.5–3x that rate. Hospital sticker (gross) charges are often far higher — but almost nobody actually pays them.
What to do if you were overcharged
- 1Send us your bill — we'll identify this code and compare it against the rates shown above.
- 2Get a dispute letter — citing the Medicare rate and your hospital's own published pricing data.
- 3We negotiate for you — 25% of savings, no savings = no fee.