E72 Other disorders of amino-acid metabolism

Category / Non-billable header 38 subcodes

Block: Metabolic disorders (E70-E88)

Excludes 1 (cannot be coded together)

  • 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.-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
E72..0 Disorders of amino-acid transport No
E72..00 Disorders of amino-acid transport, unspecified Yes
E72..01 Cystinuria Yes
E72..02 Hartnup's disease Yes
E72..03 Lowe's syndrome Yes
E72..04 Cystinosis Yes
E72..09 Other disorders of amino-acid transport Yes
E72..1 Disorders of sulfur-bearing amino-acid metabolism No
E72..10 Disorders of sulfur-bearing amino-acid metabolism, unspecified Yes
E72..11 Homocystinuria Yes
E72..12 Methylenetetrahydrofolate reductase deficiency Yes
E72..19 Other disorders of sulfur-bearing amino-acid metabolism Yes
E72..2 Disorders of urea cycle metabolism No
E72..20 Disorder of urea cycle metabolism, unspecified Yes
E72..21 Argininemia Yes
E72..22 Arginosuccinic aciduria Yes
E72..23 Citrullinemia Yes
E72..29 Other disorders of urea cycle metabolism Yes
E72..3 Disorders of lysine and hydroxylysine metabolism Yes
E72..4 Disorders of ornithine metabolism Yes
E72..5 Disorders of glycine metabolism No
E72..50 Disorder of glycine metabolism, unspecified Yes
E72..51 Non-ketotic hyperglycinemia Yes
E72..52 Trimethylaminuria Yes
E72..53 Primary hyperoxaluria No
E72..530 Primary hyperoxaluria, type 1 Yes
E72..538 Other specified primary hyperoxaluria Yes
E72..539 Primary hyperoxaluria, unspecified Yes
E72..54 Secondary hyperoxaluria No
E72..540 Dietary hyperoxaluria Yes
E72..541 Enteric hyperoxaluria Yes
E72..548 Other secondary hyperoxaluria Yes
E72..549 Secondary hyperoxaluria, unspecified Yes
E72..59 Other disorders of glycine metabolism Yes
E72..8 Other specified disorders of amino-acid metabolism No
E72..81 Disorders of gamma aminobutyric acid metabolism Yes
E72..89 Other specified disorders of amino-acid metabolism Yes
E72..9 Disorder of amino-acid metabolism, unspecified Yes

Last reviewed: September 2026