2027 ICD-10-CM Diagnosis Code E30.8Other disorders of puberty

ICD-10-CM Codes›E00–E89›E20-E35›E30

ICD-10-CM E30.8
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

E30.8 is a billable ICD-10-CM diagnosis code for other disorders of puberty. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 643 through 645. The code is restricted by the Medicare Code Editor to pediatric patients (age 0 through 17). Coders also document this condition as abnormal development of female secondary sexual characteristics. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified endocrine disorders.

Code Identity

ICD-10-CM Code
E30.8
Billable Status
Yes — Valid for Submission
Code Describes
Other disorders of puberty
Short Description
Other disorders of puberty
Same as the full description in the CMS dataset.
Parent Code
E30
Disorders of puberty, not elsewhere classified

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE20-E35Disorders of other endocrine glands
CategoryE30Disorders of puberty, not elsewhere classified
This CodeE30.8Other disorders of puberty

Code EditsBilling

Medicare Code Editor checks that affect claim validity for E30.8.

Pediatric diagnoses
The Medicare Code Editor detects inconsistencies in pediatric cases by checking a patient's age and any diagnosis on the patient's record. The pediatric code edits apply to patients age range is 0–17 years inclusive (e.g., Reye's syndrome, routine child health exam).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal development of female secondary sexual characteristics
  • Finding of secondary sexual hair growth
  • Finding related to development of the breasts
  • Premature development of the breasts
  • Premature growth of secondary sexual hair
  • Puberty disorder due to estrogen resistance
  • Thelarche

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to E30.8: its own notes plus those printed at block E20-E35 and Chapter 4. A note printed at a category, block or chapter applies to every code under it.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Premature thelarche

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block E20-E35 Disorders of other endocrine glands applies to 99 codes
From Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases applies to 973 codes
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Notes

General instructions on how these codes are used.

From Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases applies to 973 codes
  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name E30.8, its category, or a range that includes it.

Code First 1

These codes say to code first a condition named in the note, and E30.8 is one of the conditions named.

  • G63 Polyneuropathy in diseases classified elsewhere
    endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34) names E20-E34, which includes this code

Notes 1

These notes mention E30.8.

  • Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases
    All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere. names E16-E31, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR END015
Other specified and unspecified endocrine disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Puberty

Puberty is the time in life when a boy or girl becomes sexually mature. It is a process that usually happens between ages 8 and 13 for girls and ages 9 and 14 for boys. It causes physical changes and affects boys and girls differently.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert E30.8 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
259.1 Sexual precocity NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About E30.8Overview

What is the ICD-10 code for other disorders of puberty?

The ICD-10-CM code for other disorders of puberty is E30.8 (sometimes written as E308). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is E30.8 (Disorders of puberty, not elsewhere classified) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other disorders of puberty on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does E30.8 group to?

When other disorders of puberty is the principal diagnosis on an inpatient stay, it groups to MS-DRG 644, 645, 643, with relative weights from 0.7461 to 1.6138 depending on complications. Higher weights mean higher Medicare reimbursement.

Who can E30.8 be reported for?

The Medicare Code Editor checks other disorders of puberty against patient demographics: this code is intended for pediatric patients (age 0 through 17). Claims outside these limits are flagged as inconsistent.

Can E30.8 be reported with N64.3?

Not as a rule. The Excludes1 note at block E20-E35, which applies to E30.8, lists "galactorrhea (N64.3)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).