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
HC Assay of Free Thyroxine - T4 Free
Hamilton Township, NJ
See all hospitals reporting CPT 84439 →Price type
Robert Wood Johnson University Hospital Hamilton’s median price of $9 is 47% below the median hospital's median price ($17), higher than 5% of the 2,631 hospitals reporting CPT 84439. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Negotiated rates from the hospital’s own file: 8 payers, 25 plan rates. A facility fee, a professional fee, a per diem and a case rate are different bills, so each is listed on its own. Open a payer to see it across hospitals.
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| # | ||||
|---|---|---|---|---|
| 1 | UnitedHealthcare nexus fee schedule · outpatient | $4.24 | $4.24 | $4.24 – $4.24 |
| 2 | UnitedHealthcare oxford metro fee schedule · outpatient | $4.24 | $4.24 | $4.24 – $4.24 |
| 3 | UnitedHealthcare commercial fee schedule · outpatient | $4.96 | $4.96 | $4.96 – $4.96 |
| 4 | UnitedHealthcare oxford commercial fee schedule · outpatient | $4.96 | $4.96 | $4.96 – $4.96 |
| 5 | UnitedHealthcare community plan fee schedule · outpatient | $7.58 | $7.58 | $7.58 – $7.58 |
| 6 | Aetna medicare fee schedule · outpatient | $9.02 | $9.02 | $9.02 – $9.02 |
| 7 | Bcbs Nj medicare advantage fee schedule · outpatient | $9.02 | $9.02 | $9.02 – $9.02 |
| 8 | Clover medicare advantage fee schedule · outpatient | $9.02 | $9.02 | $9.02 – $9.02 |
| 9 | Humana medicare fee schedule · outpatient | $9.02 | $9.02 | $9.02 – $9.02 |
| 10 | UnitedHealthcare medicare fee schedule · outpatient | $9.20 | $9.20 | $9.20 – $9.20 |
| 11 | Aetna hmo fee schedule · outpatient | $10.82 | $10.82 | $10.82 – $10.82 |
| 12 | Aetna ppo fee schedule · outpatient | $10.82 | $10.82 | $10.82 – $10.82 |
| 13 | Bcbs Nj nj health fee schedule · outpatient | $16.40 | $16.40 | $16.40 – $16.40 |
| 14 | WellCare ambetter health commercial fee schedule · outpatient | $17.95 | $17.95 | $17.95 – $17.95 |
| 15 | Aetna better health percent of total billed charges · outpatientfrom % of charges | $23.84 | $23.84 | $23.84 – $23.84 |
| 16 | Bcbs Nj omnia fee schedule · outpatient | $31.92 | $31.92 | $31.92 – $31.92 |
| 17 | Bcbs Nj state benefit plan fee schedule · outpatient | $36.69 | $36.69 | $36.69 – $36.69 |
| 18 | Cigna hmo fee schedule · outpatient | $37.39 | $37.39 | $37.39 – $37.39 |
| 19 | Cigna local plus fee schedule · outpatient | $37.39 | $37.39 | $37.39 – $37.39 |
| 20 | Cigna ppo fee schedule · outpatient | $37.39 | $37.39 | $37.39 – $37.39 |
| 21 | Bcbs Nj managed fee schedule · outpatient | $39.09 | $39.09 | $39.09 – $39.09 |
| 22 | Bcbs Nj non-managed fee schedule · outpatient | $39.91 | $39.91 | $39.91 – $39.91 |
| 23 | Bcbs Nj worker's comp percent of total billed charges · outpatientfrom % of charges | $102.58 | $102.58 | $102.58 – $102.58 |
| 24 | First Health commercial percent of total billed charges · outpatientfrom % of charges | $107.40 | $107.40 | $107.40 – $107.40 |
| 25 | Bcbs Nj pip percent of total billed charges · outpatientfrom % of charges | $152.15 | $152.15 | $152.15 – $152.15 |
Last updated: Mar 5, 2026
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