Seneca Healthcare District prices. From its own published file.

Seneca Healthcare District in Chester, CA publishes its standard charges as required by federal rule. Here's what it lists for common services, and how to check your bill against it.

1,494prices published

Jun 2026file last updated

$2,848cash price for mri lower back without contrast (list $3,560)

Common services

Service	Cash price	List price	Insurers pay
Emergency visit, moderate (level 3) `99283`	$718	$897	$63.97–$888
Emergency visit, high (level 4) `99284`	$1,590	$1,987	$98.04–$1,967
Emergency visit, highest (level 5) `99285`	$1,889	$2,361	$155–$2,337
Comprehensive metabolic panel `80053`	$140	$175	$12.11–$173
Basic metabolic panel `80048`	$100	$125	$9.70–$124
Complete blood count (CBC) `85025`	$5.26	$57.59	$2.50–$147
Blood draw (venipuncture) `36415`	$32.00	$40.00	$15.20–$140
Urinalysis `81001`	$5.26	$51.28	$2.50–$95.04
Troponin (heart test) `84484`	$174	$218	$12.15–$216
EKG tracing `93005`	$164	$322	$23.52–$435
Chest X-ray, 2 views `71046`	$381	$476	$39.42–$471
CT head without contrast `70450`	$2,278	$2,847	$166–$2,819
CT abdomen and pelvis with contrast `74177`	$2,784	$3,480	$404–$3,445
MRI lower back without contrast `72148`	$2,848	$3,560	$390–$3,524
Ultrasound, abdomen `76700`	$950	$1,188	$119–$1,176
IV push, single drug `96374`	$193	$241	$71.46–$325
IV fluids, first hour `96360`	$382	$639	$73.58–$792
Ketorolac injection, 15 mg `J1885`	$4.47	$9.43	$2.12–$39.54
Ondansetron injection `J2405`	$4.82	$7.59	$2.29–$27.06
Colonoscopy, diagnostic `45378`	$2,376	$2,970	$295–$2,940
Upper GI endoscopy with biopsy `43239`	$2,098	$2,622	$234–$2,596

Cash price: the discounted price for self-pay patients. List price: the hospital's gross charge. Insurers pay: the lowest and highest rates it lists for insurance plans. Source: Seneca Healthcare District price transparency page.

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Common billing problems to look for

Billed above the posted cash priceIf you're paying yourself, ask the hospital to apply its published cash price.
Panels billed inside panelsA basic metabolic panel (80048) billed with a comprehensive one (80053) on the same day.
Duplicate linesThe same service billed twice without explanation.
No itemized billYou can ask for every line with its code, date and amount.