All ICD10 Codes

E70.4

Non-Billable
ChapterE00–E89
Ranksubcategory
Official Description

Disorders of histidine metabolism

Use a more specific code (3 billable)
E70.40Disorders of histidine metabolism, unspecifiedE70.41HistidinemiaE70.49Other disorders of histidine metabolism
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •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)
E70Disorders of aromatic amino-acid metabolism
E70.4Disorders of histidine metabolismNot billable
E70.40Disorders of histidine metabolism, unspecifiedBillable
E70.41HistidinemiaBillable
E70.49Other disorders of histidine metabolismBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E70.4:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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