36973
CPTCardiovascularTheophylline Tab ER 24HR 400 MG
Based on the latest published hospital price files, code 36973 (Theophylline Tab ER 24HR 400 MG) appears at 9 hospitals across 9 cities in 2 states with disclosed cash prices from $2.46 to $26.72. This is public hospital price transparency data, not a guaranteed estimate of your bill.
New to this? Read How to compare hospital prices by CPT code.
What this is
This is a heart or blood-vessel service — a diagnostic test (such as an echocardiogram or stress test) or a procedure on the heart or vessels.
What affects the price
Diagnostic cardiac tests are often done in a hospital outpatient department, where a facility fee applies; the same test at a cardiology office can cost less. Interventional procedures usually generate additional physician and anesthesia bills beyond this code.
Category: Cardiovascular
What the published prices show
Across the 9 hospitals that disclose a cash price for code 36973, the median is $3.04, and disclosed prices run from $2.46 to $26.72.
Published-price availability
Compare 36973 prices
Filter by hospital, city, setting, or payer — the summary and charts update with your filters.
Published cash prices for code 36973 vary by about 11× across the 9 hospitals with disclosed prices here — from $2.46 to $26.72. Shopping around can matter.
Lowest cash price by hospital
Cash price by city
Reflects your current filters.
- Bridgeton · 1 hospital$2.46
- Jefferson City · 1 hospital$2.46
- Fenton · 1 hospital$2.46
- Richmond Heights · 1 hospital$2.46
- Saint Charles · 1 hospital$3.04
- Wentzville · 1 hospital$3.04
9 prices shown.
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- A historical reference for what was actually allowed, where disclosed.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 36973 prices
Open a hospital to see this code in the context of its full published prices.
Code 36973: frequently asked
- What does code 36973 cost?
- Across the published hospital price files, the disclosed cash price for 36973 ranges from $2.46 to $26.72. 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 36973?
- 36973 is the billing code hospitals use to identify "Theophylline Tab ER 24HR 400 MG" on their published price files. We use it to line up the same service across different hospitals.
- Why do 36973 prices differ between hospitals?
- 9 hospitals across 2 states publish a price for 36973 here. 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.