Total T4 test cost in Little Rock, AR
In Little Rock-North Little Rock-Conway, AR, 10 hospitals list a cash price for total thyroxine (T4) blood test: from $7.70 to $179.71, with a median of $16.38. The lowest listed price is at Conway Regional Medical Center — $8.68 less than the median here. Across Arkansas, the median is $20.80 at 49 hospitals.
Cash prices at 10 facilities across 5 cities for code 84436, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Nov 21, 2025 and Jul 2, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Little Rock-North Little Rock-Conway, AR.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Conway Regional Medical Center lowest Conway, AR · (501) 329-3831 ASSAY OF TOTAL THYROXINE File of Jul 2, 2026 · source file | $7.70 | $35.00 | $6.87–$35.00 | 78% |
| Arkansas Heart Hospital Little Rock, AR · (501) 219-7000 T4 Thyroxine, Total Quest File of Nov 21, 2025 · source file | $8.00 | $10.00 | $31.29–$159.00 | 20% |
| Arkansas Heart Hospital-Encore Bryant, AR · (501) 213-4500 T4 Thyroxine, Total Quest File of Nov 21, 2025 · source file | $8.00 | $10.00 | $31.29–$159.00 | 20% |
| Arkansas Childrens Hospital Little Rock, AR · (501) 364-1100 ASSAY OF TOTAL THYROXINE source file | $11.71 | $13.01 | $6.87–$13.01 | 10% |
| Baptist Health Medical Center - North Little Rock North Little Rock, AR · (501) 202-3000 84436 - ASSAY OF THYROXINE TOTAL source file | $16.38 | $65.52 | $6.87–$15.00 | 75% |
| Baptist Health Medical Center - Conway Conway, AR · (501) 585-2000 84436 - ASSAY OF THYROXINE TOTAL source file | $16.38 | $65.52 | $6.87–$15.00 | 75% |
| St. Vincent Infirmary Medical Center Sherwood, AR · (501) 552-7100 T4 (THYROXINE) File of Feb 28, 2026 · source file | $31.02 | $122.00 | $5.19–$67.10 | 75% |
| CHI St. Vincent Infirmary Little Rock, AR · (501) 552-3000 T4 (THYROXINE) File of Feb 28, 2026 · source file | $31.31 | $122.00 | $5.19–$67.10 | 74% |
| CHI St. Vincent Infirmary Little Rock, AR · (501) 552-3000 #THYROXINE TOTAL File of Feb 28, 2026 · source file | $34.90 | $136.00 | $5.19–$74.80 | 74% |
| Conway Regional Medical Center Conway, AR · (501) 329-3831 THYROXINE TOTAL+1 more line at this price File of Jul 2, 2026 · source file | $45.47 | $206.66 | $6.87–$206.66 | 78% |
| University of Arkansas for Medical Sciences Little Rock, AR · (501) 686-5000 ASSAY OF TOTAL THYROXINE source file | $75.00 | $125.00 | $6.66–$887.00 | 40% |
| Arkansas Childrens Hospital Little Rock, AR · (501) 364-1100 THYROXINE (THYROID CHEMICAL); TOTAL source file | $96.76 | $107.51 | $6.87–$52.60 | 10% |
| University of Arkansas for Medical Sciences Little Rock, AR · (501) 686-5000 THYROXINE (THYROID CHEMICAL); TOTAL source file | $109.20 | $182.00 | $6.66–$887.00 | 40% |
| Conway Regional Rehabilitation Hospital Conway, AR T4 TOTAL source file | $179.71 | $179.71 | — | — |
Outpatient: lowest $7.70, median $16.38, highest $179.71 — a 23.3× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $31.17. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 7 of 9 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 2 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
A total T4 test measures all the thyroxine hormone in the blood, both bound and free. Most doctors now order free T4 (84439) instead, which is less affected by pregnancy and medicines.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 84436 ($52.00). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Hospital | Cash price | File |
|---|---|---|
| Baptist Health Medical Center - Little Rock Little Rock, AR84436 - ASSAY OF THYROXINE TOTAL | $4.92 | file |