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icd 10 interstitial lung disease

Author

Rachel Hernandez

Updated on August 13, 2026

Interstitial lung disease (ILD) is an umbrella term used for a large group of diseases that cause scarring (fibrosis) of the lungs. The scarring causes stiffness in the lungs which makes it difficult to breathe and get oxygen to the bloodstream. Lung damage from ILDs is often irreversible and gets worse over time.

What is another name for interstitial lung disease?

Interstitial lung disease is another term for pulmonary fibrosis, or “scarring” and “inflammation” of the interstitium (the tissue that surrounds the lung’s air sacs, blood vessels and airways). This scarring makes the lung tissue stiff, which can make breathing difficult.

Is interstitial lung disease the same as COPD?

Most ILDs are ‘restrictive’ pulmonary disorders, i.e., the lungs have a reduced ability to expand on inhalation. This is in contrast to ‘obstructive’ pulmonary disorders such as asthma, COPD and emphysema, in which the airways of the lungs become narrowed or blocked so the patient cannot exhale completely.

Is interstitial lung disease the same as asthma?

Interstitial lung diseases comprise more than 200 lung disorders that primarily affect the tissue around the air sacs, called the interstitium. These diseases – many of them rare – lead to respiratory symptoms similar to asthma or COPD, such as coughing, wheezing, chest tightness and shortness of breath.

What is the most common type of interstitial lung disease?

Idiopathic pulmonary fibrosis (IPF) is the most common disease of this type. There are also dozens of known causes of ILD, including: Autoimmune diseases (in which the immune system attacks the body) such as lupus, rheumatoid arthritis, sarcoidosis, and scleroderma.

What are the different types of interstitial lung disease?

Some types of interstitial lung disease include:
Interstitial pneumonia. Idiopathic pulmonary fibrosis. Nonspecific interstitial pneumonitis. Hypersensitivity pneumonitis. Cryptogenic organizing pneumonia (COP). Acute interstitial pneumonitis. Desquamative interstitial pneumonitis. Sarcoidosis.

Is interstitial lung disease the same as pulmonary fibrosis?

Interstitial lung disease refers to a group of about 100 chronic lung disorders characterized by inflammation and scarring that make it hard for the lungs to get enough oxygen. The scarring is called pulmonary fibrosis. The symptoms and course of these diseases may vary from person to person.

Does COVID-19 cause interstitial lung disease?

Residual pulmonary disease is sometimes referred to as “post-COVID interstitial lung disease” (ILD). In this issue of Radiology, Han and Fan et al (1) report on a prospective cohort of 114 patients with severe COVID-19 pneumonia undergoing CT during hospital admission and 6 months later.

Is pneumonia an interstitial lung disease?

Sometimes the term “interstitial pneumonia” is used for certain forms of interstitial lung disease. Technically, however, the term “pneumonia” refers to inflammation of the lung tissue that is usually associated with infection.

Is interstitial lung disease obstructive or restrictive?

Some conditions causing restrictive lung disease are: Interstitial lung disease, such as idiopathic pulmonary fibrosis. Sarcoidosis, an autoimmune disease.

What is the life expectancy of a person with interstitial lung disease?

The average survival for people with this type is currently 3 to 5 years . It can be longer with certain medications and depending on its course. People with other types of interstitial lung disease, like sarcoidosis, can live much longer.

What does interstitial mean in medical terms?

Medical Definition of interstitial

1 : situated within but not restricted to or characteristic of a particular organ or tissue —used especially of fibrous tissue. 2 : affecting the interstitial tissues of an organ or part interstitial hepatitis.

Is interstitial lung disease an autoimmune disease?

Interstitial lung disease (ILD) refers to a broad category of conditions that produce inflammation and scarring in the lungs. Autoimmune ILD is caused specifically by autoimmune disorders, which involve the body’s own immune system attacking the lungs.

Is interstitial lung disease a death sentence?

Interstitial lung disease (ILD), especially idiopathic pulmonary fibrosis (IPF), is a fatal disease with a poor prognosis, and the therapeutic options are limited.

Does interstitial lung disease cause coughing?

Cough due to ILD is typically a dry and hacking cough. Fatigue or low energy is very common in people with ILD. People with systemic autoimmune or connective tissue disease may have muscle or joint aches, rash and other non-respiratory symptoms.

What is the best test to confirm interstitial lung disease?

Computerized tomography (CT) scan.

This imaging test is key to, and sometimes the first step in, the diagnosis of interstitial lung disease.