Valid for Submission
C40.80 is a billable diagnosis code used to specify a medical diagnosis of malignant neoplasm of overlapping sites of bone and articular cartilage of unspecified limb. The code C40.80 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code C40.80 might also be used to specify conditions or terms like overlapping malignant neoplasm of bone and articular cartilage, overlapping malignant neoplasm of bone and articular cartilage of limbs, overlapping primary malignant neoplasm of bone and articular cartilage of lower limb or overlapping primary malignant neoplasm of bone and articular cartilage of upper limb.
Unspecified diagnosis codes like C40.80 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Overlapping malignant neoplasm of bone and articular cartilage
- Overlapping malignant neoplasm of bone and articular cartilage of limbs
- Overlapping primary malignant neoplasm of bone and articular cartilage of lower limb
- Overlapping primary malignant neoplasm of bone and articular cartilage of upper limb
Diagnostic Related Groups - MS-DRG Mapping
Convert C40.80 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code C40.80 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Cancer that starts in a bone is uncommon. Cancer that has spread to the bone from another part of the body is more common.
There are three types of bone cancer:
- Osteosarcoma - occurs most often between ages 10 and 19. It is more common in the knee and upper arm.
- Chondrosarcoma - starts in cartilage, usually after age 40
- Ewing's sarcoma - occurs most often in children and teens under 19. It is more common in boys than girls.
The most common symptom of bone cancer is pain. Other symptoms vary, depending on the location and size of the cancer. Surgery is often the main treatment for bone cancer. Other treatments may include amputation, chemotherapy, and radiation therapy. Because bone cancer can come back after treatment, regular follow-up visits are important.
NIH: National Cancer Institute
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