All ICD10 Codes

E22.1

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Hyperprolactinemia

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

Instructional Notes

Use Additional Code
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
General instructions are available for the parent sections:
View CH4 NotesView E20-E35 NotesView E22 Notes

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E20-E35Disorders of other endocrine glands (E20-E35)
E22Hyperfunction of pituitary gland
E22.1HyperprolactinemiaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E22.1:

categoryE22
Hyperfunction of pituitary gland
View context instructions
blockE20-E35
Disorders of other endocrine glands (E20-E35)
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 643
Endocrine Disorders with MCC
DRG 644
Endocrine Disorders with CC
DRG 645
Endocrine Disorders without CC/MCC

Cross Reference

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