E30.1 Precocious puberty
Billable ICD-10-CM code, FY2026.
Applicable to
Excludes1 (never code together)
- 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.-)
MS-DRG index
Defines the logic of DRG(s) 643-645 in MDC 10.
Approximate ICD-9-CM (GEMs)
259.1 Precocious sexual development and puberty, not elsewhere classified (approximate)
Medicare Code Edits (MCE v43.1 (April 2026))
Code annotations containing back-references to E30.1
Back-references to E30.1
- Type 1 Excludes:
N92 Excessive, frequent and irregular menstruation ("precocious puberty (menstruation) (E30.1)") - Type 1 Excludes:
N93 Other abnormal uterine and vaginal bleeding ("precocious puberty (menstruation) (E30.1)")
Back-references to E30
- Code First:
G63 Polyneuropathy in diseases classified elsewhere ("endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)")
Diagnosis Index entries for E30.1
- Breast › buds
- Buds › breast
- Development › sexual, precocious NEC
- Menarche › precocious
- Menstruation › precocious
- Precocious › adrenarche
- Precocious › menarche
- Precocious › menstruation
- Precocious › pubarche
- Precocious › puberty
- Precocious › sexual development NEC
- Precocity, sexual (constitutional) (cryptogenic) (female) (idiopathic) (male)
- Premature › puberty
- Pubarche, precocious
- Pubertas praecox
- Puberty (development state) › precocious (constitutional) (cryptogenic) (idiopathic)
- Puberty (development state) › premature
- Sexual › precocity (constitutional) (cryptogenic)(female) (idiopathic) (male)
Nearby codes
E30 Disorders of puberty, not elsewhere classifiedE30.0 Delayed pubertyE30.1 Precocious puberty (this code)E30.8 Other disorders of pubertyE30.9 Disorder of puberty, unspecified