Specific code 2009 ICD-9-CM Diagnosis Code 611.1
Hypertrophy of breast
  • ICD-9-CM 611.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 611.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2009 version of ICD-9-CM 611.1.
  • More recent version(s) of ICD-9-CM 611.1: 2010 2011 2012 2013 2014.
Disease Synonyms
  • Atypical lobular hyperplasia of left breast
  • Atypical lobular hyperplasia of right breast
  • Breast hypertrophy
  • Gynecomastia
  • Large breast
  • Macromastia
611.1 Excludes
  • breast engorgement in newborn (778.7)
  • disproportion of reconstructed breast (612.1)
Applies To
  • Gynecomastia
  • Hypertrophy of breast:
    • NOS
    • massive pubertal
Convert to ICD-10-CM: 611.1 converts directly to:
  • 2014 ICD-10-CM N62 Hypertrophy of breast
ICD-9-CM Volume 2 Index entries containing back-references to 611.1:
  • Excess, excessive, excessively
    • development, breast 611.1
  • Gynecomastia 611.1
  • Hyperplasia, hyperplastic
    • breast (see also Hypertrophy, breast) 611.1
  • Hypertrophy, hypertrophic
    • breast 611.1
      • cystic 610.1
      • fetus or newborn 778.7
      • fibrocystic 610.1
      • massive pubertal 611.1
      • puerperal, postpartum 676.3
      • senile (parenchymatous) 611.1
    • nipple 611.1
  • Macromastia (see also Hypertrophy, breast) 611.1
  • Mammoplasia 611.1
  • Mastoplasia 611.1
  • Overdevelopment - see also Hypertrophy
    • breast (female) (male) 611.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 611.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.