AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES
Mitochondrial Metabolism Disorders
Effective October 1, 2004, code 277.87, Disorders of mitochondrial metabolism, has been created to uniquely identify mitochondrial metabolic disorders. Mitochondria are cellular organelles that are involved in metabolism and the production of enzymes. Mitochondria make over 90 percent of the energy that our cells need to function. The specialized functions of mitochondria make it possible for each tissue to perform its role in the day-to-day operation of the body. It is estimated that mitochondrial disease affects one of every 3,000 to 4,000 people. These disorders are a result of defects in the DNA of the mitochondria...
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Article Overview
This article covers the introduction of a new ICD-9-CM diagnosis code for mitochondrial metabolism disorders effective October 1, 2004. It is intended for coding professionals and clinicians who need to understand the scope of the update, the associated conditions referenced by the source, and the related exclusions and cross-references mentioned in the guidance.
Why This Topic Matters
It helps users recognize a specific coding update affecting mitochondrial disease documentation and related neurologic or metabolic conditions, which is important for accurate diagnosis coding and record review.
What You Will Learn
- The purpose and effective date of the coding update
- Which general disorder category the article addresses
- What related condition groupings are mentioned in connection with the new code
- What exclusion and cross-reference information is provided in the source
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Healthcare billers
- Clinicians
Codes Discussed
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