AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes
Aromatic L-Amino Acid Decarboxylase Deficiency
Code E70.81, Aromatic L-amino acid decarboxylase deficiency, was created for aromatic L-amino acid decarboxylase (AADC) deficiency, a rare inherited condition that affects the production of signals that allow cells in the nervous system to communicate with one another. The AADC enzyme takes part in the pathway that produces the neurotransmitters, dopamine and serotonin. Dopamine is responsible for cognitive function, voluntary movement, and emotions. Serotonin serves to regulate basal function, mood, sleep, memory and learning, body temperature, and cardiovascular and endocrine functions. In addition, code E70.89, Other disorders of aromatic amino-acid metabolism, has been created.Symptoms present in...
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Article Overview
This article covers a rare inherited neurologic and metabolic disorder, the ICD-10-CM coding update associated with it, and a related ICD-10-PCS procedure code for gene therapy. It is relevant to coders, clinical documentation staff, and healthcare organizations that document or report this diagnosis and its treatment-related procedures. The discussion also provides broad clinical background and notes the importance of early recognition and supportive management.
Why This Topic Matters
The topic matters because new diagnosis and procedure codes affect documentation accuracy, reporting consistency, and code selection for patients with this rare condition. It also helps coding professionals understand that the article includes both condition background and a procedure-coding update.
What You Will Learn
- What the article covers about this rare inherited condition
- How the ICD-10-CM coding update relates to the diagnosis
- What general treatment and supportive-care themes are mentioned
- Why a related ICD-10-PCS procedure code is noted in the article
Who Should Read This
- Medical coders
- Coding compliance staff
- Clinical documentation specialists
- Health information management professionals
- Providers documenting rare genetic and neurologic disorders
Codes Discussed
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