Pulmonary Fibrosis Diagnosis

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Your doctor will diagnose IPF based on your symptoms, your medical and family history, your risk factors, and the results from tests and procedures. Idiopathic means that your doctors cannot determine a cause of your disease at the time of diagnosis. They will rule out other medical reasons or conditions that may be causing your symptoms before diagnosing you with IPF. This may be done by doing other tests and talking to specialists.

Medical history and physical exam

To help determine whether you have IPF and rule out other possible causes of lung problems, your doctor may ask about your medical history and possible risk factors.

Your doctor may look for signs of IPF during a physical exam, such as:

• Blue hands and feet from not enough oxygen in the blood
• Clubbing Clubbing (KLUB-ing):
  Changes in the areas under and around the toenails and fingernails that may occur due to heart and lung diseases that reduce the amount of oxygen in the blood. Symptoms include softening of the nail bed, changing of the angle of the nail, bulging of the last part of the finger, and downward curvation of the nail. of the fingers or toes
• High-pitched crackles when listening to your lungs

Diagnostic tests and procedures

To diagnose IPF, your doctor may order some of the following tests and procedures.

• High resolution chest CT scan, or HRCT: This is used to take pictures of the inside of your lungs and look for scarring or  inflammation inflammation (IN-fluh-MAY-shun):
  A reaction to injury of the body. The signs of inflammation are swelling, redness, or pain. . CT scans can also help distinguish between types of lung diseases. For IPF, doctors look for a pattern where the lungs look similar to a honeycomb.
• Lung  biopsy biopsy (BY-op-see):
  The process of taking a tissue sample from a person. The sample is examined in order to help diagnose the person’s disease. : This is used to see if your lung tissue shows signs of inflammation, scarring, or other changes. This procedure is sometimes used to verify the diagnosis of IPF. It usually is done by thoracoscopic surgery, in which small incisions are made and a small camera is used to direct surgical instruments.
• Chest X-ray: This is used to take pictures of the lungs and look for evidence of inflammation or damage such as scarring. An X-ray does not provide as much detail as a high-resolution CT scan.

Tests for other medical conditions

Your doctor may perform some tests and procedures to help rule out other conditions that may cause lung disorders.

• Blood tests, such as an antibodies antibody (ANT-uh-baw-dee):
  A molecule that binds to a particular antigen, a substance that causes the body to have a particular immune response. Your immune system creates antibodies so that the particular antigen can be destroyed. test: This is used to look for signs of an Autoimmune Autoimmune (AW-toh-ih-MYOON):
  A term describing cells and antibodies that a person’s body makes to attack its own tissues, as happens in autoimmune diseases. disease that can cause lung scarring.
• Bronchoalveolar lavage (BAL): This is used to look at the types of cells in your lung fluid. Sometimes it may be used when the types of cells can help distinguish between IPF and other lung diseases.
• Lung function tests: This is used to see if you show signs of reduced breathing capacity or abnormal blood oxygen levels. These tests help assess the severity of your lung disease, and they can help monitor whether your condition is stable or worsening over time.
• Genetic Genetic (jeh-NEH-tik):
  Having to do with genes. Most genes are sequences of DNA that contain information for making specific proteins or molecules of RNA that perform important functions in a cell. The information in genes is passed from parents to children. testing: This is used to see if you have mutations mutation (myoo-TAY-shun):
  Any change in a nucleic acid sequence, such as DNA or RNA. , or changes in your genes gene (jeen):
  The unit that passes heredity from parents to children. Genes are pieces of DNA and contain information for making a specific protein. , that can raise your risk of IPF. You may need this test if you have a family history of interstitial lung disease or signs of early aging.