Surgery and procedures CPT 42821 Missouri Outpatient

Tonsil and adenoid removal, 12+ cost in Missouri

In Missouri, 12 hospitals publish a cash price for tonsil and adenoid removal, age 12 or older: from $432.00 to $10,264.87, with a median of $6,108.21. The lowest price is at Children's Mercy Hospital (Kansas City). The highest price is 23.8× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 42821. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$432.00Children's Mercy Hospital
Median$6,108.21half pay less
Highest$10,264.87in Missouri
Lowest saves$5,676.21vs the median

Hospitals in Missouri, cheapest first

HospitalCash price List priceFile date
Children's Mercy Hospital lowest Kansas City · Kansas City, MO-KS T & A; AGE 12 OR MORE $432.00 $900.00 —
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Mercy Hospital Perry Perryville · Perryville, MO Tonsillectomy & Adenoidectomy Age 12/> $572.25 $763.00 Jun 12, 2026
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Mercy Hospital Southeast Cape Girardeau · Cape Girardeau, MO-IL Tonsillectomy & Adenoidectomy Age 12/> $759.00 $1,012.00 Jun 12, 2026
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St Joseph Medical Center Kansas City · Kansas City, MO-KS Hc Tonsillectomy & Adenoidectomy Age 12/> $3,304.00 $15,091.50 Mar 17, 2026
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Mercy Perry Perryville · Perryville, MO Tonsillectomy & Adenoidectomy Age 12/> $4,026.76 $6,195.02 —
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Mercy Hospital Washington Washington · St. Louis, MO-IL Tonsillectomy & Adenoidectomy Age 12/> $5,799.79 $8,922.75 —
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Mercy Hospital St Louis Saint Louis · St. Louis, MO-IL Tonsillectomy & Adenoidectomy Age 12/> $6,416.63 $9,871.74 —
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Mercy Hospital Joplin Joplin · Joplin, MO-KS Tonsillectomy & Adenoidectomy Age 12/> $6,832.88 $10,512.13 —
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Mercy Hospital Jefferson Festus · St. Louis, MO-IL Tonsillectomy & Adenoidectomy Age 12/> $8,178.68 $12,582.59 —
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Mercy Hospital Springfield Springfield · Springfield, MO Tonsillectomy & Adenoidectomy Age 12/> $8,245.33 $12,685.13 —
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Mercy Hospital Springfield Ozark · Springfield, MO Tonsillectomy & Adenoidectomy Age 12/> $8,245.33 $12,685.13 —
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Mercy Hospital South Saint Louis · St. Louis, MO-IL Tonsillectomy & Adenoidectomy Age 12/> $10,264.87 $15,792.11 —
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
St. Louis, MO-IL 4 $5,799.79 $7,297.66
Kansas City, MO-KS 2 $432.00 $1,868.00
Perryville, MO 2 $572.25 $2,299.50
Springfield, MO 2 $8,245.33 $8,245.33
Cape Girardeau, MO-IL 1 $759.00 $759.00
Joplin, MO-KS 1 $6,832.88 $6,832.88

What it is

This is surgery to remove both the tonsils and the adenoids in someone age 12 or older. It is done for repeated infections or for snoring and breathing problems during sleep caused by enlarged tonsils and adenoids.

What the price covers

The facility price covers the operating room and recovery. The surgeon's fee and anesthesia are usually billed separately.

Tonsil and adenoid removal, age 12 or older in other states

Median cash price across the state's hospitals.