Convert to ICD-10-CM: 
173.59 converts approximately to:
- 2015/16 ICD-10-CM C44.590 Other specified malignant neoplasm of anal skinOr: 
- 2015/16 ICD-10-CM C44.591 Other specified malignant neoplasm of skin of breastOr: 
- 2015/16 ICD-10-CM C44.599 Other specified malignant neoplasm of skin of other part of trunk
 ICD-9-CM Volume 2 Index entries containing back-references to 
173.59:
- Cyst (mucus) (retention) (serous) (simple) pilonidal (infected) (rectum) 685.1 pilonidal (infected) (rectum) 685.1   with abscess 685.0 with abscess 685.0 
  malignant (M9084/3) 173.59 malignant (M9084/3) 173.59
 
 
- Disease, diseased - see also Syndrome Paget's (osteitis deformans) 731.0 Paget's (osteitis deformans) 731.0   with infiltrating duct carcinoma of the breast (M8541/3) - see Neoplasm, breast, malignant with infiltrating duct carcinoma of the breast (M8541/3) - see Neoplasm, breast, malignant
  bone 731.0 bone 731.0    osteosarcoma in (M9184/3) - see Neoplasm, bone, malignant osteosarcoma in (M9184/3) - see Neoplasm, bone, malignant
 
  breast (M8540/3) 174.0 breast (M8540/3) 174.0 
  extramammary (M8542/3) - see also Neoplasm, skin, malignant extramammary (M8542/3) - see also Neoplasm, skin, malignant
  malignant (M8540/3) malignant (M8540/3)   breast 174.0 breast 174.0 
   specified site NEC (M8542/3) - see Neoplasm, skin, malignant specified site NEC (M8542/3) - see Neoplasm, skin, malignant
   unspecified site 174.0 unspecified site 174.0 
 
  mammary (M8540/3) 174.0 mammary (M8540/3) 174.0 
  nipple (M8540/3) 174.0 nipple (M8540/3) 174.0 
 
 
- Paget's disease (osteitis deformans) 731.0  extramammary (M8542/3) - see also Neoplasm, skin, malignant extramammary (M8542/3) - see also Neoplasm, skin, malignant