All ICD10 Codes

E73.1

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Secondary lactase deficiency

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).
General instructions are available for the parent sections:
View CH4 NotesView E70-E88 Notes

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88Metabolic disorders (E70-E88)
E73Lactose intolerance
E73.1Secondary lactase deficiencyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E73.1:

blockE70-E88
Metabolic disorders (E70-E88)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 391
Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC
DRG 392
Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC

Cross Reference

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