259.1 SEXUAL PRECOCITY NEC


Code Information

Diagnosis Code: 259.1

Short Description: Sexual precocity NEC

Long Description: Precocious sexual development and puberty, not elsewhere classified

Code Classification:

  • Endocrine, nutritional and metabolic diseases, and immunity disorders (240–279)
    • Diseases of other endocrine glands (249-259)
      • 259 Other endocrine disorders
        • 259.1 Sexual precocity NEC

This code is valid for pediatric diagnoses (age 0 through 17)

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 259.1 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Adrenarche, precocious 259.1
  • Breast - see also condition
    • buds 259.1
      • in newborn 779.89
  • Buds
    • breast 259.1
  • Development
    • sexual, precocious NEC 259.1
  • Menarche, precocious 259.1
  • Menstruation
    • precocious 259.1
  • Precocious
    • adrenarche 259.1
    • menarche 259.1
    • menstruation 259.1
    • pubarche 259.1
    • puberty NEC 259.1
    • sexual development NEC 259.1
    • thelarche 259.1
  • Precocity, sexual (constitutional) (cryptogenic) (female) (idiopathic) (male) NEC 259.1
    • with adrenal hyperplasia 255.2
  • Premature - see also condition
    • puberty 259.1
  • Pubarche, precocious 259.1
  • Pubertas praecox 259.1
  • Puberty V21.1
    • precocious (constitutional) (cryptogenic) (idiopathic) NEC 259.1
      • due to
        • adrenal
          • cortical hyperfunction 255.2
          • hyperplasia 255.2
        • cortical hyperfunction 255.2
        • ovarian hyperfunction 256.1
          • estrogen 256.0
        • pineal tumor 259.8
        • testicular hyperfunction 257.0
    • premature 259.1
      • due to
        • adrenal cortical hyperfunction 255.2
        • pineal tumor 259.8
        • pituitary (anterior) hyperfunction 253.1
  • Sexual
    • precocity (constitutional) (cryptogenic) (female) (idiopathic) (male) NEC 259.1
      • with adrenal hyperplasia 255.2
  • Thelarche, precocious 259.1

Crosswalk Information

The code 259.1 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
259.1 Right Arrow E30.1 Precocious puberty
E30.8 Other disorders of puberty
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
259.0 Delay in sexual development and puberty, not elsewhere classified
259.2 Carcinoid syndrome
259.3 Ectopic hormone secretion, not elsewhere classified
259.4 Dwarfism, not elsewhere classified
259.50 Androgen insensitivity, unspecified
259.51 Androgen insensitivity syndrome
259.52 Partial androgen insensitivity
259.8 Other specified endocrine disorders
259.9 Unspecified endocrine disorder


This page was last updated on: 10/1/2014