CPT 84443: Thyroid‑Stimulating Hormone (TSH) Level
Commercial payers pay $42 on average nationally for this procedure.
CPT code 84443 represents a laboratory test measuring thyroid-stimulating hormone (TSH) in a blood specimen collected by routine venipuncture; the service is a clinical laboratory diagnostic test typically performed in an outpatient laboratory or hospital lab to assess thyroid function and support evaluation of thyroid disorders.
For related coverage guidance, see recent payer policy updates: Salivary Hormone Testing, Parathyroid Hormone, Phosphorus, Calcium, and Magnesium Testing, Bone Turnover Markers Testing.
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National Reimbursement Benchmarks
Commercial reimbursement for CPT 84443 centers on a BUCA average of $42.50, with major national payers showing distinct centering and spread. Blue Cross Blue Shield posts a higher central tendency (median $52.70) relative to Blue Urban Commercial Average, while Aetna and Cigna cluster lower (medians $16.80 and $16.30, respectively). UnitedHealth Group’s median of $10.10 sits below the BUCA average. Maximums and minimums vary by carrier, but BUCA provides a useful midpoint for commercial negotiations and benchmarking.
Dispersion measured by the interquartile range (P75–P25) highlights variability: Blue Cross Blue Shield is the tightest with a spread of $21.70 ($69.20–$45.50), suggesting more concentrated pricing, while Aetna shows the widest spread at $18.00 ($31.20–$13.00) among lower-cost payers. Cigna’s spread is $13.30 ($23.20–$9.90), UnitedHealth Group’s spread is $9.20 ($16.80–$7.60), and BUCA’s IQR is $19.40 ($49.70–$30.30). These spreads indicate differing levels of price consistency across carriers for this code.