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
JAK2 V617 MUTATION
Chesterfield, MO
See all hospitals reporting CPT 81270 →Price type
Mercy Rehabilitation Hospital St. Louis’s median price of $395 is 198% above the median hospital's median price ($132), higher than 89% of the 2,360 hospitals reporting CPT 81270. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Mar 16, 2026
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