Healthcare in the United States creates a large amount of data every day. This data comes from many sources like electronic health records (EHRs), patient surveys, clinical notes, imaging reports, and voice recordings. Experts say about 80 to 90 percent of healthcare data is unstructured. This means it is not in easy-to-read formats like spreadsheets or databases. Instead, it appears as free-form text, audio, or images. While this unstructured data has useful information about patients’ symptoms, feelings, diagnostic stories, and clinical decisions, it is hard to analyze using regular methods.
Natural Language Processing (NLP) is a field that combines computer science, artificial intelligence (AI), and language study. It helps computers understand and process human language, both written and spoken. With NLP, much of this unstructured healthcare data can be changed into structured data. Structured data is easier to study and use. For medical practice leaders, clinic owners, and IT managers in the United States, learning how NLP works and how it can improve healthcare is important for keeping up with new technology.
Unstructured data in healthcare includes things like clinical notes written by doctors, transcripts of talks between patients and providers, referral letters, radiology and pathology reports, patient satisfaction surveys, and audio files like dictations. These sources give detailed information about patient conditions, treatment plans, and patient experiences. This kind of data goes beyond what is in structured data such as lab test results or diagnostic codes. But because it is not organized or formatted, it is hard to find useful information quickly.
Healthcare workers often have to read this data by hand. This process is slow and can have mistakes. Without good tools to pull out key information from unstructured data, healthcare organizations cannot make quick and smart decisions.
NLP uses algorithms to understand human language by breaking text or speech into small parts called tokens. It recognizes names of medical terms, symptoms, and medicines. It can also analyze feelings or intentions in the text. Two main parts of NLP used in healthcare are:
Using these methods, NLP can take clinical notes, patient feedback, and other free-text data and turn it into structured formats. This allows for accurate data analysis, patient monitoring, and better care.
Some well-known medical centers in the U.S. use NLP to help patients and improve how they work:
These uses not only help doctors make better decisions but also improve administrative tasks like medical coding and billing. This reduces mistakes and speeds up money collection.
Medical practice leaders and IT managers in the U.S. face problems like handling large amounts of patient data, following privacy laws like HIPAA, and making staff work better. NLP helps with some of these issues:
A big step linked to NLP in healthcare is using AI-powered workflow automation. AI not only understands data but also acts on it to make work smoother, lower mistakes, and improve services.
Some important uses where AI and workflow automation work with NLP are:
These automation tools have cut manual data entry by up to 63 percent and have sped up clinical trial recruitment by quickly checking eligibility from clinical records.
Even though NLP has clear benefits, there are some challenges in using it in healthcare:
Despite these issues, ongoing research and new technology are helping fix these problems, leading to more use of NLP in healthcare.
The market for NLP in U.S. healthcare is growing fast. In 2024, it was worth about $1.44 billion. It is expected to grow about 26 percent yearly and reach approximately $14.7 billion by 2034. This growth shows that healthcare providers are seeing how NLP can improve clinical work, patient satisfaction, and efficiency.
New trends include:
Medical administrators and IT managers who want to use NLP should focus on these steps:
For U.S. healthcare providers, NLP offers a clear chance to change how patient data is used. By turning unstructured data into clear insights, NLP helps clinics improve care quality, raise patient satisfaction, and make administrative tasks easier. As technology gets better and providers gain experience, NLP will be a key tool for managing healthcare data in a more complex world.
Natural language processing (NLP) utilizes methods from computer science, linguistics, and AI to enable computers to understand and analyze human language, transforming unstructured data into structured formats for analysis.
The two major components of NLP are natural language understanding (NLU), which focuses on comprehending text, and natural language generation (NLG), which involves creating human-like text responses based on data inputs.
Natural language understanding (NLU) determines the meaning of a sentence by analyzing its syntax, semantics, and establishing ontologies to capture the relationship between words.
Natural language generation (NLG) enables computers to produce human-like text based on inputs by considering syntax, semantics, and other linguistic rules.
NLP is used in healthcare to analyze unstructured EHR data, enhance clinical decision support, improve patient safety reports, and streamline patient feedback analysis.
Healthcare applications of NLU include data mining patient records for research purposes and enhancing chatbot functionalities for patient communication.
Barriers include issues related to data access and quality, potential biases in model outputs, privacy concerns, and the need for established frameworks to evaluate NLP tools.
NLU tools are generally evaluated on word or sentence levels, while clinical research looks at patient or population data, creating challenges for aligning evaluation methods.
Named entity recognition (NER) is an information extraction technique within NLP that classifies entities in text into predetermined categories, such as people, organizations, and locations.
A significant limitation includes the lack of high-quality data necessary for training NLP tools, which directly impacts their effectiveness and potential real-world applications.