Specific code 2014 ICD-9-CM Diagnosis Code 610.1
Diffuse cystic mastopathy
  • Billable Code
  • Adult Only Dx (15-124 years)
  • Short description: Diffus cystic mastopathy.
  • ICD-9-CM 610.1 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 610.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Fibrocystic breast changes
  • Fibrocystic change of bilat breasts
  • Fibrocystic change of bilateral breasts
  • Fibrocystic change of both breasts
  • Fibrocystic change of breast
  • Fibrocystic change of left breast
  • Fibrocystic change of right breast
  • Fibrocystic disease of breast
Clinical Information
  • 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.
  • A common condition marked by benign (not cancer) changes in breast tissue. These changes may include irregular lumps or cysts, breast discomfort, sensitive nipples, and itching. These symptoms may change throughout the menstrual cycle and usually stop after menopause.
  • Fibrosis associated with cyst formation in the breast parenchyma.
Applies To
  • Chronic cystic mastitis
  • Cystic breast
  • Fibrocystic disease of breast
ICD-9-CM Coding Information
  • 610.1 is only applicable to adult patients aged 15 - 124 years inclusive.
Convert to ICD-10-CM: 610.1 converts approximately to:
  • 2014 ICD-10-CM N60.19 Diffuse cystic mastopathy of unspecified breast
ICD-9-CM Volume 2 Index entries containing back-references to 610.1:
  • Bloodgood's disease 610.1
  • Cooper's
    • disease 610.1
  • Cystic - see also condition
    • 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
      • inflammatory 611.0
      • Paget's (M8540/3) 174.0
      • puerperal, postpartum NEC 676.3
      • specified NEC 611.89
    • Cooper's 610.1
    • cystic
      • breast (chronic) 610.1
      • kidney, congenital (see also Cystic, disease, kidney) 753.10
      • liver, congenital 751.62
      • lung 518.89
      • pancreas 577.2
      • renal, congenital (see also Cystic, disease, kidney) 753.10
      • semilunar cartilage 717.5
    • Phocas' 610.1
    • Reclus' (cystic) 610.1
    • Schimmelbusch's 610.1
  • Dysplasia - see also Anomaly
    • mammary (benign) (gland) 610.9
      • cystic 610.1
      • specified type NEC 610.8
  • Fibrocystic
  • Hyperplasia, hyperplastic
    • Schimmelbusch's 610.1
  • 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
  • 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 610.1 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.