2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Genitourinary System 580-629 > Disorders Of Breast 610-611 > ICD-9-CM Diagnosis 610 Benign mammary dysplasias 610 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 610.0 Solitary cyst of breast A fluid-filled closed cavity or sac that is lined by an EPITHELIUM and found in the BREAST. It may appear as a single large cyst in one breast, multifocal, or bilateral in FIBROCYSTIC BREAST DISEASE. 610.0 is a specific code that can be used to specify a diagnosis 610.0 contains 5 index entries ICD-9-CM Diagnosis 610.1 Diffuse cystic mastopathy Fibrosis associated with cyst formation in the breast parenchyma. -- 2003 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. 610.1 is a specific code that can be used to specify a diagnosis 610.1 contains 29 index entries ICD-9-CM Diagnosis 610.2 Fibroadenosis of breast 610.2 is a specific code that can be used to specify a diagnosis 610.2 contains 3 index entries ICD-9-CM Diagnosis 610.3 Fibrosclerosis of breast 610.3 is a specific code that can be used to specify a diagnosis 610.3 contains 2 index entries ICD-9-CM Diagnosis 610.4 Mammary duct ectasia Dilatation of the mammary duct without atypical cells. 610.4 is a specific code that can be used to specify a diagnosis 610.4 contains 9 index entries ICD-9-CM Diagnosis 610.8 Other specified benign mammary dysplasias 610.8 is a specific code that can be used to specify a diagnosis 610.8 contains 5 index entries ICD-9-CM Diagnosis 610.9 Benign mammary dysplasia unspecified 610.9 is a specific code that can be used to specify a diagnosis 610.9 contains 1 index entry