Hospitals report these codes with terse, inconsistent chargemaster text. This plain-English title was written by an AI model from that text and has not been reviewed by a person, so it can be wrong. The prices on this page come straight from hospital filings and do not depend on it.
Original text from hospital filings
Thyroxine (T4) Free, Direct, S
401 N Ewing St
See all hospitals reporting CPT 84439 →Price type
Fairfield Medical Center’s median price of $20 is 26% above the median hospital's median price ($16), higher than 57% of the 2,298 hospitals reporting CPT 84439. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Feb 26, 2026
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