2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Genitourinary System 580-629 > Disorders Of Breast 610-611 > Other Disorders Of Breast 611.* > 2006 ICD-9-CM Diagnosis 611.1 Hypertrophy of breast View the most recent version of ICD-9-CM 611.1 Excessive development of the breasts in males; usually the result of hormonal imbalance or treatment with certain drugs. Enlargement of the BREAST in the males, caused by an excess of ESTROGENS. Physiological gynecomastia is normally observed in NEWBORNS; ADOLESCENT; and AGING males. 611.1 is a specific code that can be used to specify a diagnosis 611.1 contains 11 index entries View the ICD-9-CM Volume 1 611.* hierarchy Alternate Terminology Gynecomastia Hypertrophy of breast: NOS massive pubertal  Index entries containing 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