Hospital Bill Data

84439

HCPCS

HC THYROXINE FREE

Verified from hospital fileNot a bill estimate
iDirect answer

Based on the latest published hospital price files, code 84439 (HC THYROXINE FREE) appears at 53 hospitals with disclosed cash prices from $4.80 to $285. This is public hospital price transparency data, not a guaranteed estimate of your bill.

Published-price availability

52
hospitals publish a price
1
list this service without a published price
123
Cash
123
List
41
Negotiated
0
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 84439 prices

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

Published cash prices for code 84439 vary by about 59× across the 52 hospitals with disclosed prices here — from $4.80 to $285. Shopping around can matter.

52
Hospitals
133
Prices shown
$4.80
Lowest cash
$285
Highest cash
code 84439 cash price123 disclosed · 52 hospitals
$4.80median ~$60.18$285

Cash price by city

Reflects your current filters.

Cash price by city$4.80$81.60
  • Mission Viejo · 1 hospital$4.80–$52.56
  • Orange · 1 hospital$4.80–$52.56
  • Fullerton · 1 hospital$4.80–$52.56
  • Apple Valley · 1 hospital$4.80–$52.56
  • Petaluma · 1 hospital$5.10–$57.12
  • Napa · 1 hospital$5.10–$81.60

133 prices shown.

ServiceHospitalCodeList priceCash priceNegotiated rangeAllowed (median)
HC THYROXINE FREE
Inpatient & outpatient
Endeavor Health Edward Hospital84439
HCPCS
$175$175
Assay of free thyroxine
Outpatient
Endeavor Health Edward Hospital84439
HCPCS
$9.02 – $15.29
Hc Thyroxine, Free Index Additional
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Thyroxine, Free Index Additional-Laf
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Thyroxine, Free
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Thyroxine, Free-Laf
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Thyroxine, Fti
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Thyroxine, Fti-Laf
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Final Free Thyroxine
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Hc Final Free Thyroxine-Laf
Inpatient & outpatient
University of Chicago Medical Center84439
HCPCS
Assay of free thyroxine
Outpatient
University of Chicago Medical Center84439
HCPCS
T4, FREE
Outpatient
Advocate Illinois Masonic Medical Center84439
CPT
$130$65.00$9.02 – $106
HB THYROXINE, FREE*
Inpatient & outpatient
Endeavor Health Swedish Hospital84439
HCPCS
$177$177
HB R THYROXINE (T4); FREE BY DIALYSIS (P)
Inpatient & outpatient
Endeavor Health Swedish Hospital84439
HCPCS
$177$177
T4, FREE
Outpatient
Advocate South Suburban Hospital84439
CPT
$130$65.00$9.02 – $127
HC THYROXINE FREE ASSAY
Outpatient
Froedtert Hospital84439
CPT
$161$88.55$8.77 – $139
HC THYROXINE FREE ASSAY
Outpatient
Froedtert Menomonee Falls Hospital84439
CPT
$156$85.80$9.02 – $140
T4, FREE
Inpatient
Aurora Medical Center Burlington84439
CPT
$180$90.00$108 – $153
Free T4 Level
Inpatient
Munson Healthcare Charlevoix Hospital84439
CPT
$59.00$50.15$47.20 – $59.00
T4 Free Direct Dialysis
Inpatient
Munson Healthcare Charlevoix Hospital84439
CPT
$28.57$24.29$22.86 – $28.57
zzT4 (Thyroxine), Free, Dialysis, Serum
Inpatient
Munson Healthcare Charlevoix Hospital84439
CPT
$28.57$24.29$22.86 – $28.57
Free T4 Level
Inpatient
Munson Healthcare Manistee Hospital84439
CPT
$104$88.40$52.18 – $852
T4 Free Direct Dialysis
Inpatient
Munson Healthcare Manistee Hospital84439
CPT
$28.57$24.29$14.33 – $852
zzT4 (Thyroxine), Free, Dialysis, Serum
Inpatient
Munson Healthcare Manistee Hospital84439
CPT
$28.57$24.29$14.33 – $852
T4, FREE
Inpatient
Aurora Medical Center Bay Area84439
CPT
$180$90.00$108 – $152

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 84439 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 Froedtert Hospital Froedtert Menomonee Falls 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 Grafton Aurora Medical Center Kenosha Aurora Lakeland Medical Center Froedtert West Bend Hospital Froedtert Holy Family Memorial Hospital Froedtert Community Hospital - Mequon Froedtert Community Hospital - New Berlin Froedtert Community Hospital - Oak Creek Kalkaska Memorial Health Center Paul Oliver Memorial Hospital 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 St Elias Specialty Hospital Healdsburg Hospital 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 84439: frequently asked

What does code 84439 cost?
Across the published hospital price files, the disclosed cash price for 84439 ranges from $4.80 to $285. 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 84439?
84439 is the billing code hospitals use to identify "HC THYROXINE FREE" 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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