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E73.1 - Secondary lactase deficiency


The ICD 10 Code for Secondary lactase deficiency is listed as E73.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: E73.1
Description: Secondary lactase deficiency
Diagnostic Related Groups
(MS-DRG v30.0)
391 - Esophagitis, Gastroent & Misc Digest Disorders W Mcc
392 - Esophagitis, Gastroent & Misc Digest Disorders W/o Mcc
Chapter Endocrine, nutritional and metabolic diseases (E00-E89)
Block Metabolic disorders (E70-E88)
Parent E73 - Lactose intolerance
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 271.3 - Intestinal disaccharidase deficiencies and disaccharide malabsorption (approximate)
ICD-10-CM Siblings (same level / similar specificity) of E73.1:
E73.0 - Congenital lactase deficiency
E73.8 - Other lactose intolerance
E73.9 - Lactose intolerance, unspecified