2024 ICD-10-CM Diagnosis Code E30.1

Precocious puberty

ICD-10-CM Code:
Short Description:
Precocious puberty
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Code Navigator:

Code Classification

  • Endocrine, nutritional and metabolic diseases
    • Disorders of other endocrine glands
      • Disorders of puberty, not elsewhere classified

E30.1 is a billable diagnosis code used to specify a medical diagnosis of precocious puberty. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

The code E30.1 is applicable for patients aged 0 through 17 years inclusive. It is clinically and virtually impossible to use this code on a patient outside the stated age range.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Adrenal hyperfunction
  • Adrenocortical hyperfunction
  • Autosomal dominant complex hereditary spastic paraplegia
  • Congenital anomaly of endocrine testis
  • Cryptogenic sexual precocity
  • Early menarche
  • Endocrine disorder related to puberty
  • Endocrine disorder related to puberty
  • Familial male-limited precocious puberty
  • Female puberty disorder
  • Finding of secondary sexual hair growth
  • Gonadotropin independent precocious puberty
  • Gonadotropin independent precocious puberty
  • Heterosexual precocious puberty
  • Isosexual precocious puberty
  • Menarche
  • Physical precocity
  • Precocious female puberty
  • Precocious pubarche
  • Precocious puberty
  • Precocious puberty with adrenal hyperplasia
  • Precocious puberty with adrenocortical hyperfunction
  • Premature growth of secondary sexual hair
  • Spastic paraplegia with precocious puberty syndrome

Clinical Classification

Clinical Information

  • Menarche

    the first menstrual cycle marked by the initiation of menstruation.
  • Adrenocortical Hyperfunction

    excess production of adrenal cortex hormones such as aldosterone; hydrocortisone; dehydroepiandrosterone; and/or androstenedione. hyperadrenal syndromes include cushing syndrome; hyperaldosteronism; and virilism.
  • Age at Menarche|MENARAGE|Menarche Age|Menarche Age

    age of first menstruation. a risk factor for breast cancer
  • Isolated Premature Menarche|Premature Menarche

    occurrence of the first menstrual period in a girl before the lower limit of the normal age range for the reference population, without other signs of puberty.
  • Menarche

    onset of menses.
  • Premature Menarche

    occurrence of the first menstrual period in a female before the usual or expected age.
  • Primary Amenorrhea|Delayed Menarche|Delayed Menarche

    abnormally late or absent menarche in a female with normal secondary sexual characteristics.

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Precocious menstruation

Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • 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

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10-CM Code Edits are applicable to this code:

  • 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).

Convert E30.1 to ICD-9-CM

  • ICD-9-CM Code: 259.1 - Sexual precocity NEC
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Puberty is the time in life when a boy or girl becomes sexually mature. It is a process that usually happens between ages 10 and 14 for girls and ages 12 and 16 for boys. It causes physical changes, and affects boys and girls differently.

In girls:

  • The first sign of puberty is usually breast development.
  • Then hair grows in the pubic area and armpits.
  • Menstruation (or a period) usually happens last.

In boys:

  • Puberty usually begins with the testicles and penis getting bigger.
  • Then hair grows in the pubic area and armpits.
  • Muscles grow, the voice deepens, and facial hair develops as puberty continues.

Both boys and girls may get acne. They also usually have a growth spurt (a rapid increase in height) that lasts for about 2 or 3 years. This brings them closer to their adult height, which they reach after puberty.

NIH: National Institute of Child Health and Human Development

[Learn More in MedlinePlus]

Central precocious puberty

Central precocious puberty is a condition that causes early sexual development in girls and boys. While puberty normally starts between ages 8 and 13 in girls and between ages 9 and 14 in boys, girls with central precocious puberty begin exhibiting signs before age 8, and boys with this disorder begin before age 9. Signs of puberty include development of pubic and underarm hair, a rapid increase in height (commonly referred to as a "growth spurt"), acne, and underarm odor. Girls also develop breasts and begin their menstrual periods. Boys have growth of the penis and testes and deepening of the voice. Because of the early growth spurt, children with central precocious puberty may be taller than their peers; however, they may stop growing abnormally early. Without proper treatment, some affected individuals are shorter in adulthood compared with other members of their family. Developing ahead of their peers can be emotionally difficult for affected individuals and may lead to psychological and behavioral problems.

[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.


[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.