What does code 84479 cost?

Across the published hospital price files, the disclosed cash price for 84479 ranges from $1.70 to $212. 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.

84479 is the billing code hospitals use to identify "HC THYROID HORMONE (T3 OR T4) UPTAKE" 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.

84479

HCPCS

HC THYROID HORMONE (T3 OR T4) UPTAKE

Verified from hospital fileNot a bill estimate

iDirect answer

Based on the latest published hospital price files, code 84479 (HC THYROID HORMONE (T3 OR T4) UPTAKE) appears at 48 hospitals with disclosed cash prices from $1.70 to $212. 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 84479 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 84479 vary by about 125× across the 47 hospitals with disclosed prices here — from $1.70 to $212. Shopping around can matter.

Hospitals

Prices shown

$1.70

Lowest cash

$212

Highest cash

code 84479 cash price91 disclosed · 47 hospitals

$1.70median ~$40.80$212

Lowest cash price by hospital

Stanford Health Care$1.70
Stanford Health Care Tri-Valley$2.94
Providence Mission Hospital - Mission Viejo$3.39
Providence St Joseph Hospital Orange$3.39
St Jude Medical Center$3.39
St Mary Medical Center$3.39

Cash price by city

Reflects your current filters.

Cash price by city$1.70 – $32.64

Stanford · 1 hospital$1.70–$8.52
Pleasanton · 1 hospital$2.94
Mission Viejo · 1 hospital$3.39–$32.64
Orange · 1 hospital$3.39
Fullerton · 1 hospital$3.39
Apple Valley · 1 hospital$3.39

94 prices shown.

Service	Hospital	Code	List price	Cash price	Negotiated range	Allowed (median)
HC THYROID HORMONE (T3 OR T4) UPTAKE Inpatient & outpatient	Endeavor Health Edward Hospital	84479 HCPCS	$82.00	$82.00	—	—
Assay of thyroid (t3 or t4) Outpatient	Endeavor Health Edward Hospital	84479 HCPCS	—	—	$6.47 – $10.96	—
Hc Thyroid Hormone Uptake Inpatient & outpatient	University of Chicago Medical Center	84479 HCPCS	—	—	—	—
Assay of thyroid (t3 or t4) Outpatient	University of Chicago Medical Center	84479 HCPCS	—	—	—	—
T3 UPTAKE Outpatient	Advocate Illinois Masonic Medical Center	84479 CPT	$60.00	$30.00	$6.47 – $48.84	—
HB T3 UPTAKE* Inpatient & outpatient	Endeavor Health Swedish Hospital	84479 HCPCS	$116	$116	—	—
HB R T3 UPTAKE Inpatient & outpatient	Endeavor Health Swedish Hospital	84479 HCPCS	$45.00	$45.00	—	—
T3 UPTAKE Outpatient	Advocate South Suburban Hospital	84479 CPT	$60.00	$30.00	$6.47 – $58.44	—
Bill Only 84479 T3 Uptake Inpatient	Memorial Hospital of South Bend	84479 CPT	$98.00	$63.70	$19.60 – $80.36	—
84479 THYROID HORM (T3/T4) UPTK OR THBR Inpatient	Elkhart General Hospital	84479 CPT	$87.00	$56.55	$17.40 – $113	—
HC THYROID (T3 OR T4) ASSAY Outpatient	Froedtert Menomonee Falls Hospital	84479 CPT	$78.00	$42.90	$6.47 – $70.20	—
T3 UPTAKE Inpatient	Aurora BayCare Medical Center	84479 CPT	$120	$60.00	$72.00 – $102	—
T3 UPTAKE Inpatient	Aurora Medical Center Burlington	84479 CPT	$120	$60.00	$72.00 – $102	—
Free Thyroxine Index (FTI), Serum Inpatient	Munson Healthcare Charlevoix Hospital	84479 CPT	$38.95	$33.11	$31.16 – $38.95	—
Free Thyroxine Index (FTI), Serum Inpatient	Munson Healthcare Manistee Hospital	84479 CPT	$38.95	$33.11	$19.54 – $852	—
T3 UPTAKE Inpatient	Aurora Medical Center Bay Area	84479 CPT	$120	$60.00	$72.00 – $102	—
T3 UPTAKE Inpatient	Aurora Medical Center Fond du Lac	84479 CPT	$120	$60.00	$72.00 – $102	—
T3 UPTAKE Inpatient	Aurora Medical Center Kenosha	84479 CPT	$120	$60.00	$72.00 – $102	—
T3 UPTAKE Inpatient	Aurora Lakeland Medical Center	84479 CPT	$120	$60.00	$72.00 – $102	—
HC THYROID (T3 OR T4) ASSAY Inpatient	Froedtert West Bend Hospital	84479 CPT	$78.00	$42.90	$46.80 – $74.10	—
HC THYROID (T3 OR T4) ASSAY Inpatient	Froedtert Holy Family Memorial Hospital	84479 CPT	$88.00	$48.40	$52.80 – $77.44	—
Free Thyroxine Index (FTI), Serum Inpatient	Kalkaska Memorial Health Center	84479 CPT	$38.95	$33.11	$28.82 – $852	—
Free Thyroxine Index (FTI), Serum Inpatient	Munson Healthcare Cadillac	84479 CPT	$38.95	$33.11	$23.37 – $852	—
Free Thyroxine Index (FTI), Serum Outpatient	Munson Medical Center	84479 CPT	$38.95	$33.11	$3.38 – $38.17	—
HC T3U AND T4 B Inpatient	Deaconess Gibson Hospital	84479 CPT	$52.00	$27.56	$19.41 – $46.80	—

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 84479 prices

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

Endeavor Health Edward Hospital University of Chicago Medical Center Advocate Illinois Masonic Medical Center Endeavor Health Swedish Hospital Advocate South Suburban Hospital Memorial Hospital of South Bend Elkhart General Hospital Froedtert Menomonee Falls Hospital Aurora BayCare Medical Center 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 Munson Healthcare Cadillac Munson Medical Center Deaconess Gibson Hospital Deaconess Union County Hospital The Women's Hospital Deaconess Illinois Medical Center Providence Alaska Medical Center Providence Kodiak Island Medical Center Stanford Health Care Stanford Health Care Tri-Valley 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 Providence Cedars-Sinai Tarzana Medical Center Providence Holy Cross Medical Center Providence Little Co of Mary Med Center San Pedro Texas Health Center for Diagnostics and Surgery Plano Providence Little Company of Mary Med Center Torrance Providence Mission Hospital - Mission Viejo Providence Saint John's Health Center Providence Saint Joseph Medical Center Providence St Joseph Hospital Orange St Jude Medical Center St Mary Medical Center Providence St Joseph Medical Center

Code 84479: frequently asked

What does code 84479 cost?: Across the published hospital price files, the disclosed cash price for 84479 ranges from $1.70 to $212. 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 84479?: 84479 is the billing code hospitals use to identify "HC THYROID HORMONE (T3 OR T4) UPTAKE" 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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