Surgery and procedures CPT 42830 California Outpatient

Adenoidectomy cost in California

In California, 41 hospitals publish a cash price for adenoid removal (adenoidectomy), child under 12: from $628.45 to $11,211.20, with a median of $11,211.20. The lowest price is at NorthBay Medical Center (Fairfield). The highest price is 17.8× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 42830. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$628.45NorthBay Medical Center

Median$11,211.20half pay less

Highest$11,211.20in California

Lowest saves$10,582.75vs the median

Hospitals in California, cheapest first

Hospital	Cash price	List price	File date
NorthBay Medical Center lowest Fairfield · Vallejo, CA Removal Of Adenoids 1' <12 Yrs	$628.45	$628.45	Apr 1, 2026 source file
Tahoe Forest Hospital Truckee · Truckee-Grass Valley, CA Primary removal of adenoids (younger than 12 years)	$958.00	$958.00	Jul 6, 2026 source file
Cedars-Sinai Marina Hospital Marina del Rey · Los Angeles-Long Beach-Anaheim, CA Outpatient Surgical Services	$991.47	$1,525.34	Nov 26, 2025 source file
Kaiser Foundation Hospital - Baldwin Park Baldwin Park · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Downey Downey · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Fontana Fontana · Riverside-San Bernardino-Ontario, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Los Angeles Los Angeles · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Moreno Valley Moreno Valley · Riverside-San Bernardino-Ontario, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Ontario Ontario · Ontario, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Orange County - Anaheim Anaheim · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Orange County - Irvine Irvine · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Panorama City Panorama City · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Riverside Riverside · Riverside-San Bernardino-Ontario, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego · San Diego-Chula Vista-Carlsbad, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - San Diego - Zion San Diego · San Diego-Chula Vista-Carlsbad, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - San Marcos San Marcos · San Diego-Chula Vista-Carlsbad, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - South Bay Harbor City · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - West la Los Angeles · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Kaiser Foundation Hospital - Woodland Hills Woodland Hills · Los Angeles-Long Beach-Anaheim, CA ADENOIDECTOMY PRIMARY <AGE 12	$3,047.20	$5,860.00	— source file
Cedars-Sinai Medical Center Los Angeles · Los Angeles-Long Beach-Anaheim, CA Outpatient Surgical Group 4	$3,964.84	$6,099.75	Nov 26, 2025 source file
Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo · Vallejo, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Antioch Antioch · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Fremont Fremont · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Fresno Fresno · Fresno, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Manteca Manteca · Stockton-Lodi, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Modesto Modesto · Modesto, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Oakland/Richmond Oakland · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Redwood City Redwood City · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Richmond Campus Richmond · Richmond, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Roseville Roseville · Sacramento-Roseville-Folsom, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Sacramento Sacramento · Sacramento-Roseville-Folsom, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - San Francisco San Francisco · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - San Jose San Jose · San Jose-Sunnyvale-Santa Clara, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - San Leandro San Leandro · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - San Rafael San Rafael · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Santa Clara Santa Clara · San Jose-Sunnyvale-Santa Clara, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Santa Rosa Santa Rosa · Santa Rosa-Petaluma, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - South Sacramento Sacramento · Sacramento-Roseville-Folsom, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - South San Francisco South San Francisco · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Vacaville Vacaville · Vallejo, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file
Kaiser Foundation Hospital - Walnut Creek Walnut Creek · San Francisco-Oakland-Fremont, CA ADENOIDECTOMY PRIMARY <AGE 12	$11,211.20	$20,020.00	— source file

By metro area

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

Metro area	Hospitals	Lowest	Median
Los Angeles-Long Beach-Anaheim, CA	11	$991.47	$3,047.20
San Francisco-Oakland-Fremont, CA	9	$11,211.20	$11,211.20
Riverside-San Bernardino-Ontario, CA	3	$3,047.20	$3,047.20
Sacramento-Roseville-Folsom, CA	3	$11,211.20	$11,211.20
San Diego-Chula Vista-Carlsbad, CA	3	$3,047.20	$3,047.20
Vallejo, CA	3	$628.45	$11,211.20
San Jose-Sunnyvale-Santa Clara, CA	2	$11,211.20	$11,211.20
Fresno, CA	1	$11,211.20	$11,211.20
Modesto, CA	1	$11,211.20	$11,211.20
Ontario, CA	1	$3,047.20	$3,047.20
Richmond, CA	1	$11,211.20	$11,211.20
Santa Rosa-Petaluma, CA	1	$11,211.20	$11,211.20
Stockton-Lodi, CA	1	$11,211.20	$11,211.20
Truckee-Grass Valley, CA	1	$958.00	$958.00

What it is

An adenoidectomy removes the adenoids, tissue behind the nose, for breathing problems, snoring or repeated ear infections in children.

What the price covers

The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.

Adenoid removal (adenoidectomy), child under 12 in other states

Median cash price across the state's hospitals.