Icd-9-CM (ICD-10-PCS)

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ICD-9-CM, ICD-10-CM, and ICD-10-PCS

Throughout this paper, ICD-9-CM, ICD-10-CM, and ICD-10-PCS are referred to as “classifications.” They are also sometimes called “administrative terminologies” because they are commonly used for external reporting and other administrative purposes, such as statistical and epidemiological analyses, reimbursement for healthcare services, and public health reporting. benefits of each of them.
Mapping: Creating Connections
Coding and mapping are very different activities. Coding involves the use of clinician documentation and other clinical data contained in an individual patient health record as the source for determining the appropriate code assignment within a terminology or classification. Coding conventions and guidelines are applied in determining code assignment. Also, appropriate code
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Mapping considers different purposes, levels of detail, and coding guidelines of source (terminology being mapped from) and target (terminology being mapped to).
The mapping process employs a standard method in which the terminology context or classification description principles are interpreted between systems. It begins with the development of heuristics (rules of thumb used for solving problems) and guidelines that support the use case or purpose of the map, respecting the conventions of the source and target to preserve the granularity and flexibility of both. Defined mapping rules must be developed and consistently applied to minimize incompatibilities without compromising clinical integrity.
Because terminologies have different structures and intended uses, crossmapping does not necessarily involve one-to-one relationships. There can also be many-to-one and one-to-many relationships, as well as concepts that are not mappable because the concept only exists in the source or target
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