Health Catalyst, Inc.

Steven E Dwire

Sarika Kandaprabhu

Hassan Khan

Hong Gao

Michael Godinez

Disclosed are a system and method for processing HL7 messages. A method includes receiving, an HL7 message; storing the HL7 message in a memory; creating a data structure representation of the stored HL7 message in the memory that stores a start index and an end index of the stored HL7 message, wherein the start index indicates a beginning of the stored HL7 message and the end index indicates an end of the stored HL7 message; hierarchically creating, from the data structure representation of the stored HL7 message, one or more data structure representations in the memory that store at least one start index and at least one end index corresponding to one or more fragments in the stored HL7 message; and, modifying the stored HL7 message according to the at least one start index and a corresponding end index of the fragments in the HL7 message.

Minimize garbage collection in HL7 manipulation

Embodiments of the disclosure provide a method and system of interpreting HL7 segments of an HL7 message. The method includes: electronically obtaining and interpreting a grammar definition to determine a prescribed hierarchy of HL7 segment definitions; creating a resulting segment hierarchy data structure, the resulting segment hierarchy data structure comprising a top segment; performing steps: (a) obtaining an HL7 segment from a plurality of HL7 segments in the HL7 message, (b) determining a parent-child relationship for the HL7 segment, and (c) adding the HL7 segment to the resulting segment hierarchy data structure; and, continuing to perform steps (a), (b), and (c) on remaining HL7 segments of the plurality of HL7 segments until all HL7 segments of the HL7 message have been added to the resulting segment hierarchy data structure.

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Lawrenceville, GA, United States of America

Steven E Dwire