What does code 3131 cost?

Across the published hospital price files, the disclosed cash price for 3131 ranges from $22,681 to $38,364. 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.

3131 is the billing code hospitals use to identify "Knee & Lower Leg Procedures Except Foot" 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.

3131

APR-DRG

Knee & Lower Leg Procedures Except Foot

Verified from hospital fileNot a bill estimate

iDirect answer

Based on the latest published hospital price files, code 3131 (Knee & Lower Leg Procedures Except Foot) appears at 6 hospitals with disclosed cash prices from $22,681 to $38,364. 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

Compare 3131 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 3131 vary by about 69% across the 6 hospitals with disclosed prices here — from $22,681 to $38,364. Shopping around can matter.

Hospitals

Prices shown

$22,681

Lowest cash

$38,364

Highest cash

code 3131 cash price6 disclosed · 6 hospitals

$22,681median ~$28,325$38,364

Lowest cash price by hospital

Cash price by city

Reflects your current filters.

Cash price by city$22,681 – $38,364

Lansing · 1 hospital$22,681
Mount Pleasant · 1 hospital$23,697
Flint · 1 hospital$27,994
Bay City · 1 hospital$28,657
Lapeer · 1 hospital$32,585
Mount Clemens · 1 hospital$38,364

6 prices shown.

Service	Hospital	Code	List price	Cash price	Negotiated range	Allowed (median)
Knee & Lower Leg Procedures Except Foot Inpatient	McLaren Bay Region	3131 APR-DRG	$57,313	$28,657	$9,401 – $9,683	—
Knee & Lower Leg Procedures Except Foot Inpatient	McLaren Central Region	3131 APR-DRG	$47,394	$23,697	$8,977 – $9,246	—
Knee & Lower Leg Procedures Except Foot Inpatient	McLaren Flint	3131 APR-DRG	$55,988	$27,994	$10,286 – $10,594	—
Knee & Lower Leg Procedures Except Foot Inpatient	McLaren Greater Lansing	3131 APR-DRG	$45,362	$22,681	$9,880 – $10,177	—
Knee & Lower Leg Procedures Except Foot Inpatient	McLaren Lapeer Region	3131 APR-DRG	$65,170	$32,585	$9,884 – $10,181	—
Knee & Lower Leg Procedures Except Foot Inpatient	McLaren Macomb	3131 APR-DRG	$76,728	$38,364	$10,072 – $10,575	—

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 3131 prices

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

McLaren Bay Region McLaren Central Region McLaren Flint McLaren Greater Lansing McLaren Lapeer Region McLaren Macomb

Code 3131: frequently asked

What does code 3131 cost?: Across the published hospital price files, the disclosed cash price for 3131 ranges from $22,681 to $38,364. 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 3131?: 3131 is the billing code hospitals use to identify "Knee & Lower Leg Procedures Except Foot" 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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