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This review may identify matching ICD-10 terms , or may require searching though through related cross-references. Two types of cross-reference in the WHO alphabetic listing must be considered before assignment of a tentative target code(s). These are: '-see…', and '-see also…'.
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-see…
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This is an explicit direction to look elsewhere in the index, and no codes are found alongside this reference. The Mapping Specialist will review the directed descriptions in searching for target candidates.
Example
Nodule(s), nodular
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-see also…
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This reference instructs the user to look elsewhere if the detail
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(s)he is looking for cannot be determined from the current reference.
Examples
Hyperbilirubinaemia
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When a code is given alongside the term showing the '-see also…' appearing in parentheses as in the above example, it may or may not be necessary to look under the alternative term.
When no code is given, the instruction does not appear in parentheses as it is essential for the user to look under the alternative lead term. In the following example with reference to the term "Enlargement", the Mapping Specialist must also evaluate the alpha references for "Hypertrophy" for relevant target classifications.
| Enlargement, enlarged |
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The Mapping Specialist will create preliminary Map members employing the candidate target records resulting from these searches. If specializations are noted in targets selected from the alphabetic index and there exist sub-headings for the term selected, these will be considered for exclusion rules as documented in section
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6.9. Mapping Context - Exclusions, Alpha Modifiers and Co-morbidities. For source concepts that represent examples of poisonings caused by drugs or chemicals, the Mapping Specialist will use section III of the Alphabetic Index: Table of Drugs and Chemicals to research the default maps and essential modifiers. An example of this is provided in section
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6.9.
The Mapping Specialist will proceed from this source concept analysis to research the tabular guidance for the candidate targets and evaluate for issues of mapping context which may alter the Map members as explained in the following
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sections 6.3. through
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6.11.
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