Even if you're not directly interested in "Digital Medicine," it's of interest when someone demonstrates wide and unexplained variance in the coverage of an area of services and coding.
AMA, with Manatt, looked at payer coverage of four code categories (such as digital remote monitoring) that are now represented by CPT codes. Coverage at 16 health plans was assessed (not surprisingly, about a dozen are variants of Blues plans). Take home lesson: Coverage varies widely.
Find the 19 page PDF report here. See a sample in the pic below.
Not out yet, but look for a peer reviewed article in the coming months about PGx variability at payers, I heard it mentioned at a conference. Same issue - high payer variability.