2024 ICD-10-CM Diagnosis Code C76.1

Malignant neoplasm of thorax

ICD-10-CM Code:
ICD-10 Code for:
Malignant neoplasm of thorax
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Code Navigator:

Code Classification

  • Neoplasms
    • Malignant neoplasms of ill-defined, other secondary and unspecified sites
      • Malignant neoplasm of other and ill-defined sites

C76.1 is a billable diagnosis code used to specify a medical diagnosis of malignant neoplasm of thorax. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

The following anatomical sites found in the Table of Neoplasms reference this diagnosis code given the correct histological behavior: Neoplasm, neoplastic axilla, axillary ; Neoplasm, neoplastic chest (wall) NEC ; Neoplasm, neoplastic infraclavicular (region) ; Neoplasm, neoplastic intrathoracic (cavity) (organs) ; Neoplasm, neoplastic intrathoracic (cavity) (organs) specified NEC ; Neoplasm, neoplastic scapular region ; Neoplasm, neoplastic thorax, thoracic (cavity) (organs NEC) ; etc

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Abdominothoracic neuroblastoma
  • Malignant melanoma of axilla
  • Malignant melanoma of chest wall
  • Malignant melanoma of shoulder
  • Malignant neoplasm of chest wall
  • Malignant neoplasm of thoracic cavity structure
  • Malignant neoplasm of thorax
  • Malignant tumor of axilla
  • Primary abdominothoracic neuroblastoma
  • Primary adenocarcinoma of chest wall
  • Primary malignant neoplasm of axilla
  • Primary malignant neoplasm of chest wall
  • Primary malignant neoplasm of intrathoracic organs
  • Primary rhabdomyosarcoma of intrathoracic organ
  • Primary rhabdomyosarcoma of thorax
  • Primary sarcoma of axilla
  • Primary squamous cell carcinoma of intrathoracic organ
  • Primary synovial sarcoma of intrathoracic organ
  • Primary thoracic neuroblastoma
  • Primary thoracic neuroblastoma
  • Primary undifferentiated large cell malignancy of chest wall
  • Synovial sarcoma
  • Thoracic neuroblastoma
  • Thoracic neuroblastoma

Clinical Classification

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Intrathoracic malignant neoplasm NOS
  • Malignant neoplasm of axilla NOS
  • Thoracic malignant neoplasm NOS

Convert C76.1 to ICD-9-CM

  • ICD-9-CM Code: 195.1 - Malign neopl thorax

Table of Neoplasms

This code is referenced in the table of neoplasms by anatomical site. For each site there are six possible code numbers according to whether the neoplasm in question is malignant, benign, in situ, of uncertain behavior, or of unspecified nature. The description of the neoplasm will often indicate which of the six columns is appropriate.

Where such descriptors are not present, the remainder of the Index should be consulted where guidance is given to the appropriate column for each morphological (histological) variety listed. However, the guidance in the Index can be overridden if one of the descriptors mentioned above is present.

Neoplasm, neoplastic Malignant
CaInSitu Benign Uncertain
»Neoplasm, neoplastic
  »axilla, axillary
»Neoplasm, neoplastic
  »chest (wall) NEC
»Neoplasm, neoplastic
  »infraclavicular (region)
»Neoplasm, neoplastic
  »intrathoracic (cavity) (organs)
»Neoplasm, neoplastic
  »intrathoracic (cavity) (organs)
    »specified NEC
»Neoplasm, neoplastic
  »scapular region
»Neoplasm, neoplastic
  »thorax, thoracic (cavity) (organs NEC)
»Neoplasm, neoplastic
  »thorax, thoracic (cavity) (organs NEC)
    »wall NEC

Patient Education


Cancer begins in your cells, which are the building blocks of your body. Normally, your body forms new cells as you need them, replacing old cells that die. Sometimes this process goes wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor. Tumors can be benign or malignant. Benign tumors aren't cancer while malignant ones are. Cells from malignant tumors can invade nearby tissues. They can also break away and spread to other parts of the body.

Cancer is not just one disease but many diseases. There are more than 100 different types of cancer. Most cancers are named for where they start. For example, lung cancer starts in the lung, and breast cancer starts in the breast. The spread of cancer from one part of the body to another is called metastasis. Symptoms and treatment depend on the cancer type and how advanced it is. Most treatment plans may include surgery, radiation and/or chemotherapy. Some may involve hormone therapy, immunotherapy or other types of biologic therapy, or stem cell transplantation.

NIH: National Cancer Institute

[Learn More in MedlinePlus]

Lung Diseases

When you breathe, your lungs take in oxygen from the air and deliver it to the bloodstream. The cells in your body need oxygen to work and grow. During a normal day, you breathe nearly 25,000 times. People with lung disease have difficulty breathing. Millions of people in the U.S. have lung disease. If all types of lung disease are lumped together, it is the number three killer in the United States.

The term lung disease refers to many disorders affecting the lungs, such as asthma, COPD, infections like influenza, pneumonia and tuberculosis, lung cancer, and many other breathing problems. Some lung diseases can lead to respiratory failure.

Dept. of Health and Human Services Office on Women's Health

[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.


[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.