Corneal Pachymetry
Defines Aetna's medical necessity, experimental/investigational determinations, limitations, and related coding for ultrasound corneal pachymetry (measurement of corneal thickness). Only the ultrasound method is considered.
No material clinical/coverage changes
Coverage Summary
Ultrasound corneal pachymetry is a non-invasive ultrasonic technique that measures corneal thickness by placing an ultrasonic probe on the anesthetized central cornea; measurements typically take less than 30 seconds per eye. The procedure is used primarily in evaluating corneal disease and in assessing persons at risk for glaucoma.
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