AHA Coding Clinic® for ICD-9 - 2006 Issue 3; Ask the Editor
Presumptive Ehrlichiosis
Our emergency department (ED) physicians will document “presumptive ehrlichiosis†in the final diagnostic statement. The ED physician stated that human ehrlichiosis is a presumptive clinical diagnosis. If infection is suspected, these patients should immediately receive treatment even though the lab results have not been read. However, the Diagnostic Coding and Reporting Guidelines for Outpatient Services (Section IV. I) state, “Do not code diagnoses documented as probable, suspected questionable, rule out or working diagnosis.†Should this condition be coded as a clinical diagnosis? ...
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Article Overview
This article explains an emergency department documentation scenario involving a suspected tick-borne infection and outpatient diagnosis reporting guidance. It is aimed at coders, auditors, and clinicians who document or code ED encounters, and it addresses how to interpret provisional diagnostic language in relation to outpatient coding rules.
Why This Topic Matters
Emergency department notes often include tentative diagnostic language, and outpatient coders need to know how that affects diagnosis reporting. Correct interpretation helps support compliant claim submission and consistent coding of the presenting reason for the visit.
What You Will Learn
- How outpatient coding guidance treats tentative diagnostic statements
- How to think about symptom-based coding when a definitive diagnosis is not reported
- How emergency department documentation language can affect diagnosis reporting
- How general outpatient reporting rules apply to suspected infectious disease scenarios
Who Should Read This
- Medical coders
- Coding auditors
- Emergency department staff
- Clinicians who document diagnoses
- Revenue cycle professionals
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