Specific code 2014 ICD-9-CM Diagnosis Code 170.9
Malignant neoplasm of bone and articular cartilage, site unspecified
  • Billable Code
  • Short description: Malig neopl bone NOS.
  • ICD-9-CM 170.9 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 170.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Adamantinoma of long bone
  • Articular cartilage cancer
  • Bone and cartilage cancer
  • Bone cancer
  • Cancer of the articular cartilage
  • Cancer of the bone
  • Cancer of the bone and cartilage
  • Cancer of the bone, ewings sarcoma
  • Cancer of the bone, osteosarcoma
  • Carcinoma of bone, connective tissue, skin and breast
  • Chondrosarcoma
  • Diaphyseal medullary stenosis with bone malignancy
  • Ewings sarcoma
  • Ewing's sarcoma of bone
  • Extraskeletal osteosarcoma
  • Local recurrence of malignant tumor of bone
  • Malignant neoplasm of bone
  • Malignant neoplasm of bone, connective tissue, skin and breast
  • Malignant neoplasm of skeletal system
  • Metastasis from malignant tumor of bone
  • Osteitis deformans in neoplastic disease
  • Osteitis deformans in neoplastic diseases
  • Osteitis deformans of ankle in neoplastic disease
  • Osteitis deformans of multiple sites
  • Osteitis deformans of multiple sites in neoplastic disease
  • Osteosarcoma
  • Osteosarcoma of bone
  • Overlapping malignant neoplasm of bone and articular cartilage
  • Overlapping malignant neoplasm of bone and articular cartilage of limbs
  • Primary malignant neoplasm of articular cartilage
  • Primary malignant neoplasm of bone
  • Primitive neuroectodermal tumor/Ewing's sarcoma TNM finding
  • pT1: Tumor 5 cm or less in greatest dimension
  • pT1: Tumor 8 cm or less in greatest dimension
  • pT1a: Tumor 5 cm or less in greatest dimension, superficial tumor
  • pT1b: Tumor 5 cm or less in greatest dimension, deep tumor
  • pT2: Tumor more than 5 cm in greatest dimension
  • pT2: Tumor more than 8 cm in greatest dimension
  • pT2a: Tumor more than 5 cm in greatest dimension, superficial tumor
  • pT2b: Tumor more than 5 cm in greatest dimension, deep tumor
  • pT3: Discontinuous tumors in the primary bone site
Convert to ICD-10-CM: 170.9 converts approximately to:
  • 2014 ICD-10-CM C41.9 Malignant neoplasm of bone and articular cartilage, unspecified
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 170.9 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.