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6 Cards in this Set
- Front
- Back
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Explain DRule.1:Axis of the classification and rules of chapter prioritisation |
Where there is any doubt as to where a condition should be coded, the 'spceial group' chapters must take priority |
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What are the three different types of chapters in ICD 10 |
1. Special group chapters 2. Body system chapters 3. Other chapters |
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Define 'special group' chapters |
These classify conditions that do not focus on any one body system. Includes chapters I-V, XV-XVII and XIX |
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Define body system chapters |
Chapters VI-XIV classify conditions according to the body system they belong to |
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Define 'other' chapters |
Chapters XVIII and XX-XXII classify other disorders and factors which do not sit comfortably in either a special group or body system chapter |
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Explain DRule.2:category and code structure |
Code assignment must always be made to either fourth character level or five character level in order for the code to be valid.
Where a code is three characters and no subdivisions filler X must be assigned as the fourth character for data processing and validation (it is still considered three characters for classification purposes).
Where a code requires filler X and a fifth character filler X must still be assigned in the fourth position. |
