Lab tests CPT 84436 Outpatient

Total T4 test cost in Clearlake, CA

In Clearlake, CA, 1 hospital lists a cash price for total thyroxine (T4) blood test: from $118.00 to $118.00, with a median of $118.00. Across California, the median is $39.20 at 183 hospitals.

Cash prices at 1 facility for code 84436, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$118.00Sutter Lakeside Hospital
Median$118.00half pay less
Highest$118.00in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Clearlake, CA.

median
Lowest $118.00Highest $123.00

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Sutter Lakeside Hospital lowest Lakeport, CA · (707) 262-5000 HCHG THYROXINE (T4) $118.00 $118.00 — — Apr 1, 2026
source file
Sutter Lakeside Hospital Lakeport, CA · (707) 262-5000 HCHG CORE THYROXINE (T4) $123.00 $123.00 — — Apr 1, 2026
source file

Outpatient: lowest $118.00, median $118.00, highest $118.00.

As an inpatient, the same code is billed by 1 facility here, median $118.00. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.