E30.1

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Precocious puberty

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

Instructional Notes

Includes
  • Precocious menstruation
Excludes1(Not coded here)
  • Albright (-McCune) (-Sternberg) syndrome (Q78.1)
  • central precocious puberty (E22.8)
  • congenital adrenal hyperplasia (E25.0)
  • female heterosexual precocious pseudopuberty (E25.-)
  • male isosexual precocious pseudopuberty (E25.-)
General instructions are available for the parent sections:
View CH4 NotesView E20-E35 Notes

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E20-E35Disorders of other endocrine glands (E20-E35)
E30Disorders of puberty, not elsewhere classified
E30.1Precocious puberty

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E30.1:

blockE20-E35
Disorders of other endocrine glands (E20-E35)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to E30.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

18 raw paths
Breast1 unique routes
buds→E30.1
Buds1 unique routes
breast→E30.1
Development1 unique routes
sexual, precocious NEC→E30.1
Menarche1 unique routes
precocious→E30.1
Menstruation1 unique routes
precocious→E30.1
Precocious6 unique routes
adrenarche→E30.1
menarche→E30.1
menstruation→E30.1
pubarche→E30.1
puberty→E30.1
sexual development NEC→E30.1
Precocity, sexual (constitutional) (cryptogenic) (female) (idiopathic) (male)1 unique routes
Direct index entry→E30.1
Premature1 unique routes
puberty→E30.1
Pubarche, precocious1 unique routes
Direct index entry→E30.1
Pubertas praecox1 unique routes
Direct index entry→E30.1
Puberty (development state)2 unique routes
precocious (constitutional) (cryptogenic) (idiopathic)→E30.1
premature→E30.1
Sexual1 unique routes
precocity (constitutional) (cryptogenic)(female) (idiopathic) (male)→E30.1

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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