E72.11 ICD-10-CM Code: Homocystinuria

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

E72.11

Homocystinuria

ICD-10-CM diagnosis code · United States clinical modification

Where E72.11 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Metabolic disorders (E70-E88)

  3. 3

    Category E72

    Other disorders of amino-acid metabolism

  4. 4

    Subcategory E72.1

    Disorders of sulfur-bearing amino-acid metabolism

  5. 5

    Code E72.11

    Homocystinuria

Notes for this code

Inclusion terms

  • Cystathionine synthase deficiency

Code first

No “code first” instruction is listed for E72.11.

Use additional code

No “use additional code” instruction is listed for E72.11.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for E72.11.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for E72.11.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code E72.11 mean?

E72.11 is the FY 2027 U.S. ICD-10-CM code for “Homocystinuria.”

Is E72.11 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, E72.11 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is E72.11 located in ICD-10-CM?

E72.11 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Metabolic disorders (E70-E88) (E70–E88), under category E72, Other disorders of amino-acid metabolism and subcategory E72.1, Disorders of sulfur-bearing amino-acid metabolism.

What coding notes are listed for E72.11?

Its listed inclusion terms are Cystathionine synthase deficiency. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.