ICD-10-CM
ICD-10 code for Hartnup's disease: E72.02
The ICD-10-CM index points "Hartnup's disease" to E72.02, Hartnup's disease. E72.02 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in E72
A header groups codes and is not billed. A billable code is one you can report.
- E72Other disorders of amino-acid metabolismHeader
- E72.0Disorders of amino-acid transportHeader
- E72.00Disorders of amino-acid transport, unspecifiedBillable
- E72.01CystinuriaBillable
- E72.02Hartnup's diseaseBillable
- E72.03Lowe's syndromeBillable
- E72.04CystinosisBillable
- E72.09Other disorders of amino-acid transportBillable
- E72.1Disorders of sulfur-bearing amino-acid metabolismHeader
- E72.10Disorders of sulfur-bearing amino-acid metabolism, unspecifiedBillable
- E72.11HomocystinuriaBillable
- E72.12Methylenetetrahydrofolate reductase deficiencyBillable
- E72.19Other disorders of sulfur-bearing amino-acid metabolismBillable
- E72.2Disorders of urea cycle metabolismHeader
- E72.20Disorder of urea cycle metabolism, unspecifiedBillable
- E72.21ArgininemiaBillable
- E72.22Arginosuccinic aciduriaBillable
- E72.23CitrullinemiaBillable
- E72.29Other disorders of urea cycle metabolismBillable
- E72.3Disorders of lysine and hydroxylysine metabolismBillable
- E72.4Disorders of ornithine metabolismBillable
- E72.5Disorders of glycine metabolismHeader
- E72.50Disorder of glycine metabolism, unspecifiedBillable
- E72.51Non-ketotic hyperglycinemiaBillable
- E72.52TrimethylaminuriaBillable
- E72.53Primary hyperoxaluriaHeader
- E72.530Primary hyperoxaluria, type 1Billable
- E72.538Other specified primary hyperoxaluriaBillable
- E72.539Primary hyperoxaluria, unspecifiedBillable
- E72.54Secondary hyperoxaluriaHeader
- E72.540Dietary hyperoxaluriaBillable
- E72.541Enteric hyperoxaluriaBillable
- E72.548Other secondary hyperoxaluriaBillable
- E72.549Secondary hyperoxaluria, unspecifiedBillable
- E72.59Other disorders of glycine metabolismBillable
- E72.8Other specified disorders of amino-acid metabolismHeader
- E72.81Disorders of gamma aminobutyric acid metabolismBillable
- E72.89Other specified disorders of amino-acid metabolismBillable
- E72.9Disorder of amino-acid metabolism, unspecifiedBillable
Excludes1
Related conditions
Related pages
- E72.02 code detailsNotes, nearby codes, CMS-HCC group
- Category E72Every code under it
- Chapter 4Endocrine, nutritional and metabolic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Hartnup's disease?
The ICD-10-CM index points "Hartnup's disease" to E72.02, Hartnup's disease. E72.02 is a billable code.
Is E72.02 billable?
Yes. E72.02 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to E72.02?
The CDC tabular list gives 7 Excludes1 notes (not coded together) for E72.02 and the categories above it. They are listed on this page.
What chapter is E72.02 in?
Chapter 4. Endocrine, nutritional and metabolic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.