E72.9
BillableDisorder of amino-acid metabolism, unspecified
HCC Category Mapping
V24HCC 23 — Other Significant Endocrine and Metabolic Disorders
0.230ESRDHCC 23 — Other Significant Endocrine and Metabolic Disorders
0.000RxHCCHCC 43 — Other Significant Endocrine and Metabolic Disorders
0.000What This Code Means
A metabolic disorder affecting amino acid processing in the body, but the specific type has not been identified or documented.
Coding Tips
- •This is a last-resort code; query the provider for more specific diagnostic information before coding
- •Do not use this code if any specific amino acid metabolism disorder can be identified from the medical record
Clinical Significance
Disorder of amino-acid metabolism, unspecified, is a last-resort code used when the provider has diagnosed an amino acid metabolism disorder but the specific type cannot be determined. This non-specific code should always trigger a query to the provider for additional diagnostic detail, as specificity impacts both clinical care and risk adjustment accuracy.
Documentation Requirements
- ✓Provider diagnosis of an amino acid metabolism disorder
- ✓Abnormal laboratory results indicating amino acid processing dysfunction
- ✓Documentation of why a more specific diagnosis has not been established
- ✓Clinical symptoms or findings prompting the diagnosis
- ✓Plan for additional diagnostic workup if the disorder is under investigation
Commonly Confused Codes
E72.89 — Other specified disorders of amino-acid metabolism: use when a specific disorder is documented but has no unique codeE88.9 — Metabolic disorder, unspecified: even more non-specific; E72.9 is preferred when amino acid involvement is knownE70.9 — Disorder of aromatic amino-acid metabolism, unspecified: specific to aromatic amino acidsE71.30 — Disorder of fatty-acid metabolism, unspecified: different metabolic pathway
Code Hierarchy
└E72Other disorders of amino-acid metabolism└E72.9Disorder of amino-acid metabolism, unspecified
└E72.9Disorder of amino-acid metabolism, unspecified