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
Oncology (tissue of origin), microarray gene expression profiling of >2,000 genes, utilizing formalin-fixed paraffin-embedded tissue, algorithm reported as tissue similarity scores
CONROE, TX
Price type
Hca Houston Healthcare Conroe’s median price of $551 is 3% above the median hospital's median price ($536), higher than 65% of the 1,300 hospitals reporting CPT 81504. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: May 14, 2026
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