MIMIC-IV itemid to LOINC mapping availability
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Description
Hello,
Is there an official or recommended mapping between MIMIC-IV itemids and LOINC codes?
I found discussions suggesting conversion from MIMIC-IV itemids → MIMIC-III ITEMIDs → LOINC. However, this multi-step mapping seems potentially error-prone, especially for clinical predictive modeling where semantic accuracy is important.
Could you please clarify:
Whether a direct MIMIC-IV → LOINC mapping exists?
If not, what is the recommended best practice?
Thank you for your guidance.
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First steps
- Read the whole issue, then the project's contributing guide.
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Research direction
The issue names no file, test, or entry point. Start by checking the repository’s documentation and MIMIC-IV data dictionaries for itemid and LOINC references, then verify whether they document a direct mapping or a recommended conversion path. Done means adding a clear, authoritative answer with supporting repository references.
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Assessment
- Domain
- data, databases
- Issue type
- Documentation
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100