AHA Coding Clinic® for ICD-9 - 2010 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Neurofibromatosis
Effective October 1, 2010, codes 237.73, Schwannomatosis, and 237.79, Other neurofibromatosis, were created for neurofibromatosis. Neurofibromatosis (NF) refers to a group of three distinct autosomal dominant genetic disorders that cause tumors to grow along the nerves. NF type 1 (NF1) (237.71) is the most common type of neurofibromatosis and is also known as von Recklinghausen disease and peripheral fibromatosis. It affects 1 in 4,000 but 30% to 50% of new cases are spontaneous and of unknown cause. Common symptoms may be present at birth and are usually evident by age 10. They include multiple light-brown...
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Article Overview
This article covers neurofibromatosis, including the main clinical subtypes, associated symptoms, and an update to related diagnosis coding effective October 1, 2010. It is relevant for coders, clinicians, and revenue cycle staff who work with nervous system and genetic disorder diagnoses and need to understand the scope of the revision at a high level.
Why This Topic Matters
Neurofibromatosis is a complex group of inherited disorders with overlapping clinical features and coding implications. The article helps readers recognize the condition’s major forms and understand that diagnosis coding for this area changed with the introduction of new codes.
Article Sections
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Clinical overview of neurofibromatosis
Introduces neurofibromatosis as a group of inherited disorders affecting nerves and tumors. Summarizes the broad clinical context for the condition.
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Neurofibromatosis type 1
Describes the first major form of the disorder, including general presentation, typical timing, and common manifestations. Also notes the overall course and general treatment approach.
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Neurofibromatosis type 2
Covers the second major form of the disorder and its usual clinical pattern. Summarizes broad symptom patterns, associated nervous system risks, and general management considerations.
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Schwannomatosis
Discusses schwannomatosis as a related inherited condition and its general clinical features. Includes broad information about symptom burden and intervention considerations.
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Coding update
Presents the diagnosis code revision associated with neurofibromatosis and related terms. Identifies the affected code family and newly created entries.
What You Will Learn
- The major clinical forms associated with neurofibromatosis
- How the article frames the condition in terms of genetic and neurologic involvement
- That a coding update occurred effective October 1, 2010
- Which diagnosis code family is affected by the update
- The general reasons the topic is relevant for coding and documentation
Who Should Read This
- Medical coders
- Clinical documentation staff
- Revenue cycle professionals
- Healthcare providers
- Coding educators
Codes Discussed
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