Price Checker / CPT 20931
How much does Sp Bone Algrft Struct Add-on cost?
CPT 20931 · Based on 2026 Medicare rates and hospital-published pricing
The average hospital charge is around 186x the fair price — among the most extreme markups. Dispute this.
Fair price
$150–$290
What this should cost
With insurance
~$2,850
Typical out-of-pocket
Overcharged if over
$360
Push back above this
The average hospital charge of $40,815 is $40,595 over the fair price (about 186x the fair rate).
What hospitals charge for Sp Bone Algrft Struct Add-on
From hospital-published transparency (MRF) files. These are the hospitals in our database that list this procedure.
| Hospital | Gross Charge | Cash Rate | vs Medicare |
|---|---|---|---|
| Santa Rosa Medical Center Milton, FL | $202,070 | — | 4498107% |
| Bradley Medical Center Cleveland, TN | $318,184 | — | 291515% |
| LORAIN HOSPITAL Lorain, OH | $65,700 | — | 54638% |
| ST ANNE HOSPITAL Toledo, OH | $145,652 | — | 50329% |
| CLERMONT HOSPITAL Batavia, OH | $72,877 | — | 44108% |
| ST ELIZABETH YOUNGSTOWN HOSPITAL Youngstown, OH | $50,873 | — | 40236% |
| Henry Ford Providence Novi Hospital Novi, MI | — | — | 32511% |
| Henry Ford Providence Southfield Hospital Southfield, MI | — | — | 32511% |
| LOURDES HOSPITAL Paducah, KY | $49,864 | — | 29051% |
| BELTON REGIONAL MEDICAL CENTER Belton, MO | — | — | 28654% |
| LEE'S SUMMIT MEDICAL CENTER Lees Summit, MO | — | — | 28654% |
| Centrastate Medical Center FREEHOLD, NJ | $27,860 | $16,428 | 28271% |
| "MultiCare Mary Bridge Children's Hospital" , WA | — | — | 26088% |
| RESEARCH MEDICAL CENTER Kansas City, MO | — | — | 25978% |
| UPMC Community Osteopathic , PA | — | — | 24071% |
Were you billed for this procedure?
Send us your bill and we'll compare every line item against Medicare rates and your hospital's published prices. Free review, no obligation.
About Sp Bone Algrft Struct Add-on
CPT code 20931 refers to sp bone algrft struct add-on (billing description: "Sp bone algrft struct add-on"). Under the 2026 Medicare Physician Fee Schedule, it is reimbursed at $98 in a facility (hospital or surgery center) and $98 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.