ICD10BillableValid for clinical use

ICD-10 Code E72.3: Disorders of lysine and hydroxylysine metabolism

E72.3 is a billable ICD-10 diagnosis code used to classify Disorders of lysine and hydroxylysine metabolism in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

When is it used?

  • May be used when a clinician documents disorders of lysine and hydroxylysine metabolism in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E70-E88Metabolic disorders
category
E72Other disorders of amino-acid metabolism
currentE72

Official coding notes

Inclusion terms
  • Glutaric aciduria NOS
  • Glutaric aciduria (type I)
  • Hydroxylysinemia
  • Hyperlysinemia
Excludes1 (do not code together)
  • glutaric aciduria type II (E71.313)
  • Refsum's disease (G60.1)
  • Zellweger syndrome (E71.510)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

EndocrinologistGeneral Physician

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
E72.3

Common synonyms

Disorders of lysine and hydroxylysine metabolism

Frequently asked questions

Code details

CodeE72.3
SystemICD10
Display nameDisorders of lysine and hydroxylysine metabolism
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockMetabolic disorders

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
AcidemiaAciduriaDisorder(of)Disorder(of)Disorder(of)Disturbance(s)Disturbance(s)Glutaric aciduriaHydroxylysinemiaHyperaminoaciduriaHyperlysinemiaIntolerance

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code E72.3 for Disorders of lysine and hydroxylysine metabolism | HealthAssure