ICD-10-CM › E00-E89 › E70-E88 › E70 Disorders of aromatic amino-acid metabolism › E70.8

E70.8

Other disorders of aromatic amino-acid metabolism

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2020, and a category header from FY2021.

Submit one of these 2 more specific codes instead:

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

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Other disorders of aromatic amino-acid metabolism
  2. FY2021 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from the E70-E88 section Metabolic disorders (E70-E88)

Excludes1 - never coded here

  • androgen insensitivity syndrome (E34.5-)
  • congenital adrenal hyperplasia (E25.0)
  • hemolytic anemias attributable to enzyme disorders (D55.-)
  • Marfan syndrome (Q87.4-)
  • 5-alpha-reductase deficiency (E29.1)

Excludes2 - not included here

  • Ehlers-Danlos syndromes (Q79.6-)

Codes in the same group

CodeDescriptionStatus
E70.0 Classical phenylketonuria Valid
E70.1 Other hyperphenylalaninemias Valid
E70.2 Disorders of tyrosine metabolism Not billable
E70.3 Albinism Not billable
E70.4 Disorders of histidine metabolism Not billable
E70.5 Disorders of tryptophan metabolism Valid
E70.9 Disorder of aromatic amino-acid metabolism, unspecified Valid