What does code 85301 cost?

Across the published hospital price files, the disclosed cash price for 85301 ranges from $14.28 to $246. 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.

85301 is the billing code hospitals use to identify "HC ANTITHROMBIN III ANTIGEN ASSAY" 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.

85301

HCPCS

HC ANTITHROMBIN III ANTIGEN ASSAY

Verified from hospital fileNot a bill estimate

iDirect answer

Based on the latest published hospital price files, code 85301 (HC ANTITHROMBIN III ANTIGEN ASSAY) appears at 37 hospitals with disclosed cash prices from $14.28 to $246. 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 85301 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 85301 vary by about 17× across the 35 hospitals with disclosed prices here — from $14.28 to $246. Shopping around can matter.

Hospitals

Prices shown

$14.28

Lowest cash

$246

Highest cash

code 85301 cash price39 disclosed · 35 hospitals

$14.28median ~$94.32$246

Lowest cash price by hospital

Stanford Health Care$14.28
Providence Seward Hospital$21.06
Providence Kodiak Island Medical Center$21.84
Providence Alaska Medical Center$23.40
Providence Valdez Medical Center$30.42
Froedtert West Bend Hospital$35.75

Cash price by city

Reflects your current filters.

Cash price by city$14.28 – $246

Stanford · 1 hospital$14.28
Seward · 1 hospital$21.06
Kodiak · 1 hospital$21.84
Anchorage · 1 hospital$23.40–$246
Valdez · 1 hospital$30.42
West Bend · 1 hospital$35.75

43 prices shown.

Service	Hospital	Code	List price	Cash price	Negotiated range	Allowed (median)
HC ANTITHROMBIN III ANTIGEN ASSAY Inpatient & outpatient	Endeavor Health Edward Hospital	85301 HCPCS	$220	$220	—	—
Antithrombin iii antigen Outpatient	Endeavor Health Edward Hospital	85301 HCPCS	—	—	$10.81 – $18.30	—
ANTITHROMBIN III ANTIGEN Inpatient	Advocate Christ Medical Center	85301 CPT	$150	$75.00	$65.55 – $120	—
Hc Clotting Ibhibitors Or Anticoagulations; Antithrombin Iii, Antigen Assay Inpatient & outpatient	University of Chicago Medical Center	85301 HCPCS	—	—	—	—
Antithrombin iii antigen Outpatient	University of Chicago Medical Center	85301 HCPCS	—	—	—	—
ANTITHROMBIN III ANTIGEN Outpatient	Advocate Illinois Masonic Medical Center	85301 CPT	$150	$75.00	$10.81 – $122	—
ANTITHROMBIN III ANTIGEN Outpatient	Advocate Condell Medical Center	85301 CPT	$150	$75.00	$10.81 – $120	—
ANTITHROMBIN III ANTIGEN Outpatient	Advocate South Suburban Hospital	85301 CPT	$150	$75.00	$10.81 – $146	—
ANTITHROMBIN III ANTIGEN Inpatient	Aurora Medical Center Burlington	85301 CPT	$260	$130	$156 – $221	—
Antithrombin Antigen, Plasma Inpatient	Munson Healthcare Charlevoix Hospital	85301 CPT	$50.00	$42.50	$40.00 – $50.00	—
Antithrombin Antigen, Plasma Inpatient	Munson Healthcare Manistee Hospital	85301 CPT	$50.00	$42.50	$25.09 – $852	—
ANTITHROMBIN III ANTIGEN Inpatient	Aurora Medical Center Bay Area	85301 CPT	$260	$130	$156 – $220	—
ANTITHROMBIN III ANTIGEN Inpatient	Aurora Medical Center Fond du Lac	85301 CPT	$260	$130	$156 – $221	—
ANTITHROMBIN III ANTIGEN Inpatient	Aurora Medical Center Kenosha	85301 CPT	$260	$130	$156 – $221	—
ANTITHROMBIN III ANTIGEN Inpatient	Aurora Lakeland Medical Center	85301 CPT	$260	$130	$156 – $221	—
HC ANTITHROMBIN III TEST Inpatient	Froedtert West Bend Hospital	85301 CPT	$65.00	$35.75	$39.00 – $61.75	—
HC ANTITHROMBIN III TEST Inpatient	Froedtert Holy Family Memorial Hospital	85301 CPT	$140	$77.00	$84.00 – $123	—
Antithrombin Antigen, Plasma Inpatient	Kalkaska Memorial Health Center	85301 CPT	$50.00	$42.50	$37.00 – $852	—
Antithrombin Antigen, Plasma Outpatient	Paul Oliver Memorial Hospital	85301 CPT	$50.00	$42.50	$7.62 – $47.50	—
Antithrombin Antigen, Plasma Inpatient	Munson Healthcare Cadillac	85301 CPT	$50.00	$42.50	$30.00 – $852	—
Antithrombin Antigen, Plasma Outpatient	Munson Medical Center	85301 CPT	$50.00	$42.50	$5.65 – $49.00	—
HC ANTITHROMBIN ANTIGEN Inpatient	Deaconess Gibson Hospital	85301 CPT	$91.00	$48.23	$32.43 – $81.90	—
ANTITHROMBIN III ANTIGEN Outpatient	The Women's Hospital	85301 CPT	—	—	$4.32 – $26.48	—
HC CLOTTING INHIBITRS ANTITHROMBN III ANTIGEN ASSAY LAB Inpatient & outpatient	Providence Alaska Medical Center	85301 HCPCS	$315	$246	—	—
HC CLOTTING INHIBITRS ANTITHROMBN III ANTIGEN ASSAY CDM Inpatient & outpatient	Providence Alaska Medical Center	85301 HCPCS	$30.00	$23.40	—	—

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 85301 prices

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

Endeavor Health Edward Hospital Advocate Christ Medical Center University of Chicago Medical Center Advocate Illinois Masonic Medical Center Advocate Condell Medical Center Advocate South Suburban Hospital Aurora Medical Center Burlington Munson Healthcare Charlevoix Hospital Munson Healthcare Manistee Hospital Aurora Medical Center Bay Area Aurora Medical Center Fond du Lac Aurora Medical Center Kenosha Aurora Lakeland Medical Center Froedtert West Bend Hospital Froedtert Holy Family Memorial Hospital Kalkaska Memorial Health Center Paul Oliver Memorial Hospital Munson Healthcare Cadillac Munson Medical Center Deaconess Gibson Hospital The Women's Hospital Providence Alaska Medical Center Providence Kodiak Island Medical Center Stanford Health Care Providence Seward Hospital Providence Valdez Medical Center Petaluma Valley Hospital Queen of The Valley Medical Center Redwood Memorial Hospital Providence St Joseph Hospital Eureka Santa Rosa Memorial Hospital Texas Health Center for Diagnostics and Surgery Plano Providence Mission Hospital - Mission Viejo Providence St Joseph Hospital Orange St Jude Medical Center St Mary Medical Center Providence St Joseph Medical Center

Code 85301: frequently asked

What does code 85301 cost?: Across the published hospital price files, the disclosed cash price for 85301 ranges from $14.28 to $246. 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 85301?: 85301 is the billing code hospitals use to identify "HC ANTITHROMBIN III ANTIGEN ASSAY" 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 85301 by state

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