What does code 91034 cost?

Across the published hospital price files, the disclosed cash price for 91034 ranges from $1,488 to $4,357. This is public hospital price transparency data, not a guaranteed estimate of your bill.

Will this be my final bill?

Actual patient responsibility may vary based on your insurance plan, deductible, coinsurance, network status, diagnosis, setting, bundled services, clinical circumstances, and hospital billing practices.

91034 is the billing code hospitals use to identify "HC GASTROESPHAGEAL REFLUX TEST W PH ELECTR PLMT" on their published price files. We use it to line up the same service across different hospitals.

Why do prices for this code differ between hospitals?

Each hospital sets its own prices and negotiates separately with each insurer, so the disclosed price for the same code can vary widely from one hospital to another — and even between plans at a single hospital. Comparing the published figures is what this page is for; a difference does not by itself mean one hospital is better or worse.

What this page is not

It is not a quote, a guarantee, or medical advice. It shows what hospitals have published for this code, so you can compare and ask informed questions — your actual cost depends on your insurance, the exact services performed, and the care setting.

91034

HCPCS

HC GASTROESPHAGEAL REFLUX TEST W PH ELECTR PLMT

Verified from hospital fileNot a bill estimate

iDirect answer

Based on the latest published hospital price files, code 91034 (HC GASTROESPHAGEAL REFLUX TEST W PH ELECTR PLMT) appears at 21 hospitals with disclosed cash prices from $1,488 to $4,357. This is public hospital price transparency data, not a guaranteed estimate of your bill.

Published-price availability

hospitals publish a price

list this service without a published price

Cash

List

Negotiated

Allowed

A blank price (“—”) means a hospital names this service but did not publish a dollar amount — it is not a free service or a $0 price.

Compare 91034 prices

Filter by hospital, city, setting, or payer — the summary and charts update with your filters.

Based on hospital-published prices verified from each hospital’s own file. Coverage expands as data is verified.

Published cash prices for code 91034 vary by about 2.9× across the 15 hospitals with disclosed prices here — from $1,488 to $4,357. Shopping around can matter.

Hospitals

Prices shown

$1,488

Lowest cash

$4,357

Highest cash

code 91034 cash price16 disclosed · 15 hospitals

$1,488median ~$1,607$4,357

Lowest cash price by hospital

Munson Healthcare Charlevoix Hospital$1,488
Munson Healthcare Manistee Hospital$1,488
Munson Healthcare Cadillac$1,488
Munson Medical Center$1,488
Aurora BayCare Medical Center$1,500
Aurora Medical Center Fond du Lac$1,500

Cash price by city

Reflects your current filters.

Cash price by city$1,488 – $1,500

Charlevoix · 1 hospital$1,488
Manistee · 1 hospital$1,488
Cadillac · 1 hospital$1,488
Traverse City · 1 hospital$1,488
Green Bay · 1 hospital$1,500
Fond Du Lac · 1 hospital$1,500

28 prices shown.

Service	Hospital	Code	List price	Cash price	Negotiated range	Allowed (median)
HC GASTROESPHAGEAL REFLUX TEST W PH ELECTR PLMT Inpatient & outpatient	Endeavor Health Edward Hospital	91034 HCPCS	$2,797	$2,797	—	—
Gastroesophageal reflux test Outpatient	Endeavor Health Edward Hospital	91034 HCPCS	—	—	$319 – $644	—
Hc Esophagus,Gastro Reflux Test; W/Nasal Cath Ph Electrode Plcmnt,Recrdng,Analysis And Intrprtatn Inpatient & outpatient	University of Chicago Medical Center	91034 HCPCS	—	—	—	—
Hc Esophagus,Gastro Reflux Test; W/Nasal Cath Ph Electrode Plcmnt,Recrdng,Analysis And Intrprtatn-Pb Inpatient & outpatient	University of Chicago Medical Center	91034 HCPCS	—	—	—	—
Pr Gastroesophag Reflx Test W/Cath Ph Eltrd Plcmt-Gast Inpatient & outpatient	University of Chicago Medical Center	91034 HCPCS	—	—	—	—
Pr Gastroesophag Reflx Test W/Cath Ph Eltrd Plcmt-Pbb Inpatient & outpatient	University of Chicago Medical Center	91034 HCPCS	—	—	—	—
Gastroesophageal reflux test Outpatient	University of Chicago Medical Center	91034 HCPCS	—	—	—	—
HB GASTROESOPHAGEAL REFLUX TEST Inpatient & outpatient	Endeavor Health Swedish Hospital	91034 HCPCS	$1,880	$1,880	—	—
HB GI REFLUX TEST/PH PROBE STUDY COMPLETE Inpatient & outpatient	Endeavor Health Swedish Hospital	91034 HCPCS	$1,880	$1,880	—	—
GERD TEST W/NASAL PH LEAD Inpatient	Aurora BayCare Medical Center	91034 CPT	$3,000	$1,500	$1,800 – $2,550	—
LPR reflux test 91034 Inpatient	Munson Healthcare Charlevoix Hospital	91034 CPT	$1,750	$1,488	$1,400 – $1,750	—
LPR reflux test 91034 Inpatient	Munson Healthcare Manistee Hospital	91034 CPT	$1,750	$1,488	$852 – $1,610	—
GERD TEST W/NASAL PH LEAD Inpatient	Aurora Medical Center Fond du Lac	91034 CPT	$3,000	$1,500	$1,800 – $2,550	—
GERD TEST W/NASAL PH LEAD Inpatient	Aurora Medical Center Grafton	91034 CPT	$3,000	$1,500	$1,800 – $2,550	—
GERD TEST W/NASAL PH LEAD Inpatient	Aurora Medical Center Kenosha	91034 CPT	$3,000	$1,500	$1,800 – $2,550	—
LPR reflux test 91034 Inpatient	Munson Healthcare Cadillac	91034 CPT	$1,750	$1,488	$852 – $1,488	—
LPR reflux test 91034 Outpatient	Munson Medical Center	91034 CPT	$1,750	$1,488	$194 – $1,715	—
HC PH MONITOR 24 HR Inpatient & outpatient	Providence Alaska Medical Center	91034 HCPCS	$5,586	$4,357	—	—
Ge Reflux Test Nasal Electr Inpatient & outpatient	Stanford Health Care	91034 HCPCS	$4,285	$1,714	—	—
HC GASTROESOPHAGEAL REFLUX TEST Inpatient & outpatient	Providence Cedars-Sinai Tarzana Medical Center	91034 HCPCS	$7,764	$2,717	—	—
HC GASTROESOPHAGEAL REFLUX TEST Inpatient & outpatient	Providence Little Company of Mary Med Center Torrance	91034 HCPCS	$7,779	$2,723	—	—
HC GASTROESOPHAGEAL REFLUX TEST Inpatient & outpatient	Providence Saint John's Health Center	91034 HCPCS	$5,027	$1,759	—	—
0-GASTROESOPHAGEAL REFLUX TEST Outpatient	Jefferson Abington Hospital	91034 CPT	—	—	$157 – $8,451	—
0-GASTROESOPHAGEAL REFLUX TEST Outpatient	Jefferson Bucks Hospital	91034 CPT	—	—	$157 – $8,247	—
0--GASTROESOPHAGEAL REFLUX TEST Outpatient	Jefferson Cherry Hill Hospital	91034 CPT	—	—	$171 – $6,648	—

How to read these prices

Cash price: The discounted self-pay price for paying directly, without insurance.
List price: The hospital’s full undiscounted charge — rarely what anyone pays.
Negotiated rate: A rate for a specific insurer and plan; your share depends on your benefits.
Allowed amount: A historical reference for what was actually allowed, where disclosed.

Hospitals that publish 91034 prices

Open a hospital to see this code in the context of its full published prices.

Code 91034: frequently asked

What does code 91034 cost?: Across the published hospital price files, the disclosed cash price for 91034 ranges from $1,488 to $4,357. This is public hospital price transparency data, not a guaranteed estimate of your bill.
Will this be my final bill?: Actual patient responsibility may vary based on your insurance plan, deductible, coinsurance, network status, diagnosis, setting, bundled services, clinical circumstances, and hospital billing practices.
What is code 91034?: 91034 is the billing code hospitals use to identify "HC GASTROESPHAGEAL REFLUX TEST W PH ELECTR PLMT" on their published price files. We use it to line up the same service across different hospitals.
Why do prices for this code differ between hospitals?: Each hospital sets its own prices and negotiates separately with each insurer, so the disclosed price for the same code can vary widely from one hospital to another — and even between plans at a single hospital. Comparing the published figures is what this page is for; a difference does not by itself mean one hospital is better or worse.
What this page is not: It is not a quote, a guarantee, or medical advice. It shows what hospitals have published for this code, so you can compare and ask informed questions — your actual cost depends on your insurance, the exact services performed, and the care setting.

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Hospitals publishing code 91034 by state

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