In the Data Element column for 99203 / 99213 , it states "Review of prior external note (s) from each unique source." If a family physician reviews prior external notes from a cardiologist and also reviews prior external notes from a radiologist, would the review of those two unique sources result in a combination of 2 to meet MDM level Low 99203 / 99213 ? ...
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Article Overview
This article is for clinicians, coders, and billing staff who work with office and outpatient evaluation and management documentation. It discusses how review of prior external notes from unique sources is considered within MDM, how unique sources are identified at a high level, and why overall code selection depends on multiple MDM components rather than one documentation element alone.
Why This Topic Matters
Understanding how documentation from multiple external sources contributes to MDM helps support more consistent E/M level selection and reduces confusion when comparing individual data elements against the full MDM framework.
Article Sections
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Question about prior external notes from multiple sources
The article opens with a documentation question about whether notes from different external sources may be counted together for an E/M service level.
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Explanation of unique sources and Category 1
This section discusses how external notes and records from distinct sources are considered within the data reviewed and analyzed portion of MDM.
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How MDM level selection is determined
The article explains that MDM level selection depends on more than one component and is not determined by a single reviewed data element alone.
What You Will Learn
- How external notes from distinct sources are considered in MDM documentation
- How the concept of a unique source is framed at a general level
- Why overall E/M level selection depends on multiple MDM components
- How data reviewed and analyzed fits into the broader MDM structure
Who Should Read This
- Physicians
- Family medicine practitioners
- Medical coders
- Professional billing staff
- Clinical documentation staff
Codes Discussed
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