What's a fair price for CPT 84443?

Most patients should expect to pay no more than 2–3× the Medicare allowable for the same service. Medicare's allowable rate for 84443 is roughly $20, which is a useful fair-price anchor. A reasonable target when negotiating cash-pay or self-pay is somewhere between the Medicare rate and the in-network allowed amount your insurer would pay.

How do I dispute CPT 84443?

Request a fully itemized bill with CPT codes and your EOB. For 84443 specifically, the most common issues are frequency. Write a short dispute letter to the provider's billing office listing the specific line items you're contesting and the reason; federal and state law require them to investigate and pause collections while the dispute is open. Or upload the bill to patientbill.org and we'll do the dispute letter for you — we only get paid if we lower your bill.

Why is CPT 84443 on my bill?

Thyroid stimulating hormone (TSH). It appears on bills when a service was performed in a lab setting and the provider documented enough work to support this specific code. If the description doesn't match what you remember happening at your visit, ask for the chart note that supports the code.

CPT code

84443 — Thyroid stimulating hormone (TSH)

Plain-English reference for CPT 84443. What it covers, what it typically costs, and the billing errors patientbill.org looks for on this code.

Typical setting: Lab
Medicare allowable: $20
Common private-payer range: $50 – $250

The Medicare allowable is the national non-facility rate from the CMS Physician Fee Schedule and is the most defensible "fair price" anchor. Commercial charges typically run 2–5× this number; hospital list prices can be much higher still.

What this code actually is

CPT 84443 is the TSH (thyroid stimulating hormone) test. Routine monitoring is typically limited to once every 6–12 months unless there's a documented medical reason; extra TSH draws on the same visit are worth challenging.

Audit issues we look for on 84443

Frequency violation — billed more often than insurance allows

Think your bill has the wrong 84443 charge?

Upload the bill and we'll check for upcoding, unbundling, duplicates, and prices above what's reasonable. If we recover money for you, we keep a small contingency fee. If we don't, you owe nothing.

Common questions about CPT 84443

Private-payer charges typically fall in the $50 – $250 range, though hospital list prices can run much higher. Medicare's allowable rate for 84443 is roughly $20, which is a useful fair-price anchor. If your bill for this code is significantly above the high end of that range, ask for an itemized statement and compare against your Explanation of Benefits (EOB) — the insurance "allowed amount" is the most defensible reference point.

Related codes in Lab panels & blood tests

Patientbill.org is not affiliated with any provider, insurer, or the AMA. Code descriptions are CMS-published short descriptors plus our own plain-English explanations; pricing references are from the CMS Medicare Physician Fee Schedule and public charge benchmarks and may be outdated. Verify your specific charges against your EOB.