Metadata item type: | Data Element Concept |
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| METEOR identifier: | 269575 |
| Registration status: |
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| Definition: | Major diagnostic categories (MDCs) are 23 mutually exclusive categories into which all possible principal diagnoses fall. The diagnoses in each category correspond to a single body system or aetiology, broadly reflecting the speciality providing care. Each category is partitioned according to whether or not a surgical procedure was performed. This preliminary partitioning into major diagnostic categories occurs before a diagnosis related group is assigned. The Australian refined diagnosis related groups (AR-DRGs) departs from the use of principal diagnosis as the initial variable in the assignment of some groups. A hierarchy of all exceptions to the principal diagnosis-based assignment to a MDC has been created. As a consequence, certain AR-DRGs are not unique to a MDC. This requires both a MDC and an AR-DRG to be generated per patient. |
| Context: | All admitted patient care contexts: The generation of a major diagnostic category to accompany each AR-DRG is a requirement of the latter as diagnosis related groups are not unique. |
Episode of admitted patient care—major diagnostic category
Object Class attributes
Identifying and definitional attributes
| Object class: | Episode of admitted patient care |
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| Definition: | The period of admitted patient care between a formal or statistical admission and a formal or statistical separation, characterised by only one care type. |
| Context: | Admitted patient care. |
| Specialisation of: | Service episode |
Collection and usage attributes | |
| Guide for use: | This treatment and/or care provided to a patient during an episode of care can occur in hospital and/or in the person's home (for hospital-in-the-home patients). |
Source and reference attributes | |
| Origin: | Health Data Standards Committee. |
Property attributes
Identifying and definitional attributes
| Property: | Major diagnostic category |
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| Definition: | The classification of diagnoses (and Australian refined diagnosis related groups) by body system or aetiology. |
| Property group: | Service provision event |
Source and reference attributes
| Submitting organisation: | Australian Institute of Health and Welfare |
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Data element concept attributes
Relational attributes
| Data Elements implementing this Data Element Concept: | Episode of admitted patient care—major diagnostic category, code (AR-DRG v 10.0) NN
Episode of admitted patient care—major diagnostic category, code (AR-DRG v 6) NN
Episode of admitted patient care—major diagnostic category, code (AR-DRG v 7) NN
Episode of admitted patient care—major diagnostic category, code (AR-DRG v 8.0) NN
Episode of admitted patient care—major diagnostic category, code (AR-DRG v 9.0) NN
Episode of admitted patient care—major diagnostic category, code (AR-DRG v5.1) NN
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