2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Genitourinary System 580-629 > Disorders Of Breast 610-611 > Benign Mammary Dysplasias 610.* > 2008 ICD-9-CM Diagnosis 610.1 Diffuse cystic mastopathy  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 610.1 can be accessed here. A common and benign breast disease characterized by varying degree of fibrocystic changes in the breast tissue. There are three major patterns of morphological changes, including FIBROSIS, formation of CYSTS, and proliferation of glandular tissue (adenosis). The fibrocystic breast has a dense irregular lumpy bumpy consistency. Fibrosis associated with cyst formation in the breast parenchyma. -- 2003 610.1 is a specific code that can be used to specify a diagnosis 610.1 contains 29 index entries View the ICD-9-CM Volume 1 610.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 610.1 also known as: Chronic cystic mastitis Cystic breast Fibrocystic disease of breast Index entries containing 610.1: Bloodgood's disease 610.1 Cooper's disease 610.1 Cystic - see also condition breast, chronic 610.1 disease breast, chronic 610.1 mastitis, chronic 610.1 Disease, diseased - see also Syndrome Bloodgood's 610.1 breast 611.9 cystic (chronic) 610.1 fibrocystic 610.1 Cooper's 610.1 cystic breast (chronic) 610.1 Phocas' 610.1 Reclus' (cystic) 610.1 Schimmelbusch's 610.1 Dysplasia - see also Anomaly mammary (benign) (gland) 610.9 cystic 610.1 Fibrocystic disease 277.00 breast 610.1 Hyperplasia, hyperplastic Schimmelbusch's 610.1 Hypertrophy, hypertrophic breast 611.1 cystic 610.1 fibrocystic 610.1 Involution, involutional - see also condition breast, cystic or fibrocystic 610.1 Mastitis (acute) (adolescent) (diffuse) (interstitial) (lobular) (nonpuerperal) (nonsuppurative) (parenchymatous) (phlegmonous) (simple) (subacute) (suppurative) 611.0 chronic (cystic) (fibrocystic) 610.1 cystic 610.1 Schimmelbusch's type 610.1 fibrocystic 610.1 Mastopathy, mastopathia 611.9 chronica cystica 610.1 diffuse cystic 610.1 Papillomatosis (M8060/0) - see also Neoplasm, by site, benign ductal, breast 610.1 Phocas' disease 610.1 Reclus' disease (cystic) 610.1 Schimmelbusch's disease, cystic mastitis, or hyperplasia 610.1