ICD-10-CM Code C40.92

Malignant neoplasm of unspecified bones and articular cartilage of left limb

Version 2021 Billable Code

Valid for Submission

C40.92 is a billable code used to specify a medical diagnosis of malignant neoplasm of unspecified bones and articular cartilage of left limb. The code is valid for the fiscal year 2021 for the submission of HIPAA-covered transactions.

ICD-10:C40.92
Short Description:Malig neoplasm of unsp bones and artic cartlg of left limb
Long Description:Malignant neoplasm of unspecified bones and articular cartilage of left limb

Diagnostic Related Groups

The ICD-10 code C40.92 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2020 through 09/30/2021.

  • 542 - PATHOLOGICAL FRACTURES AND MUSCULOSKELETAL AND CONNECTIVE TISSUE MALIGNANCY WITH MCC
  • 543 - PATHOLOGICAL FRACTURES AND MUSCULOSKELETAL AND CONNECTIVE TISSUE MALIGNANCY WITH CC
  • 544 - PATHOLOGICAL FRACTURES AND MUSCULOSKELETAL AND CONNECTIVE TISSUE MALIGNANCY WITHOUT CC/MCC

Convert C40.92 to ICD-9

  • 170.9 - Malig neopl bone NOS (Approximate Flag)

Code Classification

  • Neoplasms (C00–D48)
    • Malignant neoplasms of bone and articular cartilage (C40-C41)
      • Malignant neoplasm of bone and articular cartilage of limbs (C40)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021

Information for Patients


Bone Cancer

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

  • After chemotherapy - discharge (Medical Encyclopedia)
  • Bone lesion biopsy (Medical Encyclopedia)
  • Bone tumor (Medical Encyclopedia)
  • Ewing sarcoma (Medical Encyclopedia)
  • Osteosarcoma (Medical Encyclopedia)

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