E73 ICD-10-CM Code: Lactose intolerance
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
E73Lactose intolerance
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where E73 sits
- 1
Chapter 4
Endocrine, nutritional and metabolic diseases (E00-E89)
- 2
Section
Metabolic disorders (E70-E88)
- 3
Category E73
Lactose intolerance
- 4
Code E73
Lactose intolerance
More specific choices
Codes under E73
E73 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for E73.
Code first
No “code first” instruction is listed for E73.
Use additional code
No “use additional code” instruction is listed for E73.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for E73.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for E73.
Transparency
Source and release
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.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code E73 mean?
E73 is the FY 2027 U.S. ICD-10-CM code for “Lactose intolerance.”
Is E73 a billable or specific ICD-10-CM code?
No. E73 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is E73 located in ICD-10-CM?
E73 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Metabolic disorders (E70-E88) (E70–E88), under category E73, Lactose intolerance.
What coding notes are listed for E73?
No inclusion terms are listed for E73 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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