E72

Non-Billable
ChapterE00–E89
Rankcategory
Official Description

Other disorders of amino-acid metabolism

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

CH4 Parent Instructions

Excludes1(Not coded here)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

E70-E88 Parent Instructions

Excludes1(Not 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-)

Instructional Notes

Excludes1(Not coded here)
  • disorders of:
  • aromatic amino-acid metabolism (E70.-)
  • branched-chain amino-acid metabolism (E71.0-E71.2)
  • fatty-acid metabolism (E71.3)
  • purine and pyrimidine metabolism (E79.-)
  • gout (M1A.-, M10.-)

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88Metabolic disorders (E70-E88)
E72Other disorders of amino-acid metabolism
E72.0Disorders of amino-acid transport
E72.1Disorders of sulfur-bearing amino-acid metabolism
E72.2Disorders of urea cycle metabolism
E72.3Disorders of lysine and hydroxylysine metabolism
E72.4Disorders of ornithine metabolism
E72.5Disorders of glycine metabolism
E72.8Other specified disorders of amino-acid metabolism
E72.9Disorder of amino-acid metabolism, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E72:

blockE70-E88
Metabolic disorders (E70-E88)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to E72. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Abderhalden-Kaufmann-Lignac syndrome (cystinosis)1 unique routes
Direct index entry→E72
Acidemia2 unique routes
argininosuccinic→E72
pipecolic→E72
Aciduria4 unique routes
4-hydroxybutyric→E72
argininosuccinic→E72
gamma-hydroxybutyric→E72
glutaric (type I)→E72
Amino-acid disorder1 unique routes
Direct index entry→E72
Aminoacidopathy1 unique routes
Direct index entry→E72
Aminoaciduria1 unique routes
Direct index entry→E72
Argininemia1 unique routes
Direct index entry→E72
Arginosuccinic aciduria1 unique routes
Direct index entry→E72
Beta-mercaptolactate-cysteine disulfiduria1 unique routes
Direct index entry→E72
Blue1 unique routes
diaper syndrome→E72
Citrullinemia1 unique routes
Direct index entry→E72
Citrullinuria1 unique routes
Direct index entry→E72
Cystathionine synthase deficiency1 unique routes
Direct index entry→E72
Cystathioninemia1 unique routes
Direct index entry→E72
Cystathioninuria1 unique routes
Direct index entry→E72
Cystinosis (malignant)1 unique routes
Direct index entry→E72
Cystinuria1 unique routes
Direct index entry→E72
De Toni-Fanconi (-Debré) syndrome2 unique routes
Direct index entry→E72
with cystinosis→E72
Defect, defective1 unique routes
GABA (gamma aminobutyric acid) metabolic→E72
Deficiency, deficient1 unique routes
GABA (gamma aminobutyric acid) transaminase→E72

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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