E73.0
BillableCongenital lactase deficiency
Congenital lactase deficiency
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(40)
SNOMED CT
- CLD - Congenital lactase deficiency5388008
- Congenital alactasia5388008
- Congenital alactasia syndrome5388008
- Congenital lactase deficiency5388008
- Congenital lactose intolerance5388008
- Congenital lactose malabsorption5388008
- Disaccharide intolerance II5388008
- Lactase deficiency237975008
- Primary lactase deficiency722851003
- Intolerance to lactose due to congenital lactase deficiency782334008
- Intolerance to lactose782415009
UMLS
- ALACTASIA, CONGENITALC0268179
- Alactasia, CongenitalC0268179
- CLD - Congenital lactase deficiencyC0268179
- Congenital alactasiaC0268179
- Congenital alactasia syndromeC0268179
- Congenital lactase deficiencyC0268179
- Congenital lactase deficiency (disorder)C0268179
- Congenital lactose intoleranceC0268179
- Congenital lactose malabsorptionC0268179
- DISACCHARIDE INTOLERANCE IIC0268179
- Disaccharide Intolerance IIC0268179
- Disaccharide intolerance IIC0268179
- LACTASE DEFICIENCY, CONGENITALC0268179
- Lactase Deficiency, CongenitalC0268179
- congenital lactase deficiencyC0268179
- congenital lactose intoleranceC0268179
Clinical Terms
- Intolerance to lactose
- DISACCHARIDE INTOLERANCE II
- Intolerance to lactose due to congenital lactase deficiency
- CLD - Congenital lactase deficiency
- Congenital lactose malabsorption
- Primary lactase deficiency
- LACTASE DEFICIENCY, CONGENITAL
- Congenital alactasia syndrome
- Lactase deficiency
- Congenital lactase deficiency (disorder)
- congenital lactose intolerance
- ALACTASIA, CONGENITAL
- Congenital alactasia
Frequently Asked Questions
What is the ICD-10 code for congenital lactase deficiency?
The ICD-10-CM code for congenital lactase deficiency is E73.0. The full clinical description is "Congenital lactase deficiency". E73.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code E73.0 mean?
ICD-10-CM code E73.0 represents “Congenital lactase deficiency”. It is classified under Chapter 4: Endocrine, Nutritional and Metabolic Diseases and is a billable/specific code that can be used on a claim.
Is E73.0 a billable code?
Yes, E73.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is E73.0 in?
E73.0 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).
What codes cannot be used with E73.0?
E73.0 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74); androgen insensitivity syndrome (E34.5-); congenital adrenal hyperplasia (E25.0); and 3 more.
What SNOMED CT codes does E73.0 map to?
E73.0 maps to 5 SNOMED CT concepts: 5388008, 782415009, 782334008, 237975008, 722851003. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for E73.0?
E73.0 is linked to 1 UMLS Concept Unique Identifier: C0268179. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does E73.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like congenital lactase deficiency affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of E73.0?
E73.0 maps to the ICD-11 code: 5C61.61 (Congenital lactase deficiency).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.