AHA Coding Clinic® for ICD-9 - 1993 Fourth Quarter; New/Revised Codes
Reflex Sympathetic Dystrophy and Causalgia
A new code has been created for Reflex Sympathetic Dystrophy (RSD) and an expansion of codes for causalgia has also been carried out to differentiate between mononeuritis of the upper and lower limb. RSD has sixteen classic symptoms and is not synonymous with either psychogenic pain or causalgia. A patient must have at least five of the symptoms, plus hyperalgesia, to confirm the diagnosis of RSD. Reflex Sympathetic Dystrophy usually occurs in the limbs, but it may also occur in the face or trunk. In contrast, causalgia has five classic symptoms, three of which must be present for diagnosis...
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Article Overview
This article explains a coding update in ICD-9-CM involving reflex sympathetic dystrophy and causalgia. It is useful for coders and other healthcare professionals who need to understand the scope of the change, the clinical context referenced in the update, and how the affected diagnosis categories are being differentiated at a high level.
Why This Topic Matters
Updates affecting pain and nerve-related diagnoses can change how records are categorized and reported. This article helps readers recognize the coding topic, the general clinical distinctions discussed, and the diagnostic terminology tied to the ICD-9-CM change.
What You Will Learn
- The overall coding topic addressed by the update
- How the article frames the clinical background for reflex sympathetic dystrophy and causalgia
- Which diagnosis groupings are being expanded or differentiated at a high level
- How the update fits within ICD-9-CM terminology
Who Should Read This
- Medical coders
- Coding auditors
- Revenue cycle staff
- Physicians and clinical documentation staff
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