ICD-10-CM Code E70.8

Other disorders of aromatic amino-acid metabolism

Version 2021 Replaced Code Non-Billable Code

Not Valid for Submission

E70.8 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of other disorders of aromatic amino-acid metabolism. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions.

ICD-10:E70.8
Short Description:Other disorders of aromatic amino-acid metabolism
Long Description:Other disorders of aromatic amino-acid metabolism

Consider the following ICD-10 codes with a higher level of specificity:

  • E70.81 - Aromatic L-amino acid decarboxylase deficiency
  • E70.89 - Other disorders of aromatic amino-acid metabolism

Replaced Code

This code was replaced in the 2021 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This code was replaced for the FY 2021 (October 1, 2020 - September 30, 2021).

  • E70.81 - Aromatic L-amino acid decarboxylase deficiency
  • E70.89 - Other disorders of aromatic amino-acid metabolism

Convert E70.8 to ICD-9

  • 270.2 - Arom amin-acid metab NEC (Approximate Flag)

Code Classification

  • Endocrine, nutritional and metabolic diseases (E00–E90)
    • Metabolic disorders (E70-E88)
      • Disorders of aromatic amino-acid metabolism (E70)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2021 - Code Deleted, effective from 10/1/2020 through 9/30/2021

Information for Patients


Metabolic Disorders

Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel. Your body can use this fuel right away, or it can store the energy in your body tissues, such as your liver, muscles, and body fat.

A metabolic disorder occurs when abnormal chemical reactions in your body disrupt this process. When this happens, you might have too much of some substances or too little of other ones that you need to stay healthy. There are different groups of disorders. Some affect the breakdown of amino acids, carbohydrates, or lipids. Another group, mitochondrial diseases, affects the parts of the cells that produce the energy.

You can develop a metabolic disorder when some organs, such as your liver or pancreas, become diseased or do not function normally. Diabetes is an example.

  • Acidosis (Medical Encyclopedia)
  • Alkalosis (Medical Encyclopedia)
  • Lactic acid test (Medical Encyclopedia)
  • Metabolic acidosis (Medical Encyclopedia)
  • Metabolic neuropathies (Medical Encyclopedia)
  • Pseudohypoparathyroidism (Medical Encyclopedia)

[Learn More]