E73.8
BillableOther lactose intolerance
Other lactose intolerance
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(43)
SNOMED CT
- Hereditary gastrogenic lactose intolerance25744000
- Severe familial lactose intolerance25744000
- Lactase deficiency in diseases other than of the small intestine29512005
- Syndrome of carbohydrate intolerance29736007
- Adult lactase deficiency38032004
- Delayed-onset isolated lactase deficiency38032004
- Disaccharide intolerance III38032004
- Late onset lactase deficiency38032004
- Late-onset lactose intolerance38032004
- Non-persistence of intestinal lactase38032004
- Nonpersistence of intestinal lactase38032004
- Ontogenic late onset lactase deficiency38032004
- Primary hypolactasia38032004
- Intolerance to lactose in children without lactase deficiency54250004
- Lactose intolerance in children without lactase deficiency54250004
- Primary intolerance to lactose190751001
- Primary lactose intolerance190751001
- Lactase deficiency237975008
- Intolerance to lactose due to acquired lactase deficiency782333002
- Intolerance to lactose due to nonpersistence of intestinal lactase782337001
- Intolerance to lactose782415009
Clinical Terms
- Intolerance to lactose
- Late onset lactase deficiency
- Ontogenic late onset lactase deficiency
- Adult lactase deficiency
- Primary hypolactasia
- Syndrome of carbohydrate intolerance
- Disaccharide intolerance III
- Intolerance to lactose in children without lactase deficiency
- Nonpersistence of intestinal lactase
- Lactase deficiency
- Lactose intolerance in children without lactase deficiency
- Hereditary gastrogenic lactose intolerance
- Intolerance to lactose due to nonpersistence of intestinal lactase
- Late-onset lactose intolerance
- Lactase deficiency in diseases other than of the small intestine
- Severe familial lactose intolerance
- Intolerance to lactose due to acquired lactase deficiency
- Primary lactose intolerance
- Primary intolerance to lactose
- Delayed-onset isolated lactase deficiency
- Non-persistence of intestinal lactase
Frequently Asked Questions
What is the ICD-10 code for other lactose intolerance?
The ICD-10-CM code for other lactose intolerance is E73.8. The full clinical description is "Other lactose intolerance". E73.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code E73.8 mean?
ICD-10-CM code E73.8 represents “Other lactose intolerance”. 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 E73.8 a billable code?
Yes, E73.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is E73.8 in?
E73.8 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).
What codes cannot be used with E73.8?
E73.8 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 E73.8 map to?
E73.8 maps to 10 SNOMED CT concepts: 38032004, 25744000, 782415009, 782333002, 782337001, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for E73.8?
E73.8 is linked to 1 UMLS Concept Unique Identifier: C0348485. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does E73.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other lactose intolerance 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 E73.8?
E73.8 maps to the ICD-11 code: 5C61.6Z (Lactose intolerance, unspecified).
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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.