Supported Text Analytics for health entity categories
Text Analytics for health processes and extracts insights from unstructured medical data. The service detects and surfaces medical concepts, assigns assertions to concepts, infers semantic relations between concepts and links them to common medical ontologies.
Text Analytics for health detects medical concepts that fall under the following categories.
Anatomy
Entities
BODY_STRUCTURE - Body systems, anatomic locations or regions, and body sites. For example, arm, knee, abdomen, nose, liver, head, respiratory system, lymphocytes.
Demographics
Entities
AGE - All age terms and phrases, including ones for patients, family members, and others. For example, 40-year-old, 51 yo, 3 months old, adult, infant, elderly, young, minor, middle-aged.
ETHNICITY - Phrases that indicate the ethnicity of the subject. For example, African American or Asian.
GENDER - Terms that disclose the gender of the subject. For example, male, female, woman, gentleman, lady.
Examinations
Entities
EXAMINATION_NAME – Diagnostic procedures and tests, including vital signs and body measurements. For example, MRI, ECG, HIV test, hemoglobin, platelets count, scale systems such as Bristol stool scale.
External Influence
Entities
ALLERGEN – an antigen triggering an allergic reaction. For example, cats, peanuts.
General attributes
Entities
COURSE - Description of a change in another entity over time, such as condition progression (for example: improvement, worsening, resolution, remission), a course of treatment or medication (for example: increase in medication dosage).
DATE - Full date relating to a medical condition, examination, treatment, medication, or administrative event.
DIRECTION – Directional terms that may relate to a body structure, medical condition, examination, or treatment, such as: left, lateral, upper, posterior.
FREQUENCY - Describes how often a medical condition, examination, treatment, or medication occurred, occurs, or should occur.
TIME - Temporal terms relating to the beginning and/or length (duration) of a medical condition, examination, treatment, medication, or administrative event.
MEASUREMENT_UNIT – The unit of measurement related to an examination or a medical condition measurement.
MEASUREMENT_VALUE – The value related to an examination or a medical condition measurement.
RELATIONAL_OPERATOR - Phrases that express the quantitative relation between an entity and some additional information.
Genomics
Entities
VARIANT - All mentions of gene variations and mutations. For example, c.524C>T
, (MTRR):r.1462_1557del96
GENE_OR_PROTEIN – All mentions of names and symbols of human genes as well as chromosomes and parts of chromosomes and proteins. For example, MTRR, F2.
MUTATION_TYPE - Description of the mutation, including its type, effect, and location. For example, trisomy, germline mutation, loss of function.
EXPRESSION - Gene expression level. For example, positive for-, negative for-, overexpressed, detected in high/low levels, elevated.
Healthcare
Entities
ADMINISTRATIVE_EVENT – Events that relate to the healthcare system but of an administrative/semi-administrative nature. For example, registration, admission, trial, study entry, transfer, discharge, hospitalization, hospital stay.
CARE_ENVIRONMENT – An environment or location where patients are given care. For example, emergency room, physician’s office, cardio unit, hospice, hospital.
HEALTHCARE_PROFESSION – A healthcare practitioner licensed or non-licensed. For example, dentist, pathologist, neurologist, radiologist, pharmacist, nutritionist, physical therapist, chiropractor.
Medical condition
Entities
DIAGNOSIS – Disease, syndrome, poisoning. For example, breast cancer, Alzheimer’s, HTN, CHF, spinal cord injury.
SYMPTOM_OR_SIGN – Subjective or objective evidence of disease or other diagnoses. For example, chest pain, headache, dizziness, rash, SOB, abdomen was soft, good bowel sounds, well nourished.
CONDITION_QUALIFIER - Qualitative terms that are used to describe a medical condition. All the following subcategories are considered qualifiers:
- Time-related expressions: those are terms that describe the time dimension qualitatively, such as sudden, acute, chronic, longstanding.
- Quality expressions: Those are terms that describe the “nature” of the medical condition, such as burning, sharp.
- Severity expressions: severe, mild, a bit, uncontrolled.
- Extensivity expressions: local, focal, diffuse.
CONDITION_SCALE – Qualitative terms that characterize the condition by a scale, which is a finite ordered list of values.
Medication
Entities
MEDICATION_CLASS – A set of medications that have a similar mechanism of action, a related mode of action, a similar chemical structure, and/or are used to treat the same disease. For example, ACE inhibitor, opioid, antibiotics, pain relievers.
MEDICATION_NAME – Medication mentions, including copyrighted brand names, and non-brand names. For example, Ibuprofen.
DOSAGE - Amount of medication ordered. For example, Infuse Sodium Chloride solution 1000 mL.
MEDICATION_FORM - The form of the medication. For example, solution, pill, capsule, tablet, patch, gel, paste, foam, spray, drops, cream, syrup.
MEDICATION_ROUTE - The administration method of medication. For example, oral, topical, inhaled.
Social
Entities
FAMILY_RELATION – Mentions of family relatives of the subject. For example, father, daughter, siblings, parents.
EMPLOYMENT – Mentions of employment status including specific profession, such as unemployed, retired, firefighter, student.
LIVING_STATUS – Mentions of the housing situation, including homeless, living with parents, living alone, living with others.
SUBSTANCE_USE – Mentions of use of legal or illegal drugs, tobacco or alcohol. For example, smoking, drinking, or heroin use.
SUBSTANCE_USE_AMOUNT – Mentions of specific amounts of substance use. For example, a pack (of cigarettes) or a few glasses (of wine).
Treatment
Entities
TREATMENT_NAME – Therapeutic procedures. For example, knee replacement surgery, bone marrow transplant, TAVI, diet.
Next steps
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