[1][2] a telecommunications billing system is an enterprise application software designed to support the telecommunications billing. Idx systems corporation (idx) was a healthcare software technology company that formerly had headquarters in south burlington, vermont, united states It was founded in 1969 by robert hoehl, richard tarrant, and paul egerman. Vista (and other derivative emr/ehr systems) can be interfaced with healthcare databases not initially used by the va system, including billing software, lab databases, and image databases (radiology, for example).
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