Table 3: Classes of data available in the MIMIC-III critical care database.

From: MIMIC-III, a freely accessible critical care database

Class of data Description
Billing Coded data recorded primarily for billing and administrative purposes. Includes Current Procedural Terminology (CPT) codes, Diagnosis-Related Group (DRG) codes, and International Classification of Diseases (ICD) codes.
Descriptive Demographic detail, admission and discharge times, and dates of death.
Dictionary Look-up tables for cross referencing concept identifiers (for example, International Classification of Diseases (ICD) codes) with associated labels.
Interventions Procedures such as dialysis, imaging studies, and placement of lines.
Laboratory Blood chemistry, hematology, urine analysis, and microbiology test results.
Medications Administration records of intravenous medications and medication orders.
Notes Free text notes such as provider progress notes and hospital discharge summaries.
Physiologic Nurse-verified vital signs, approximately hourly (e.g., heart rate, blood pressure, respiratory rate).
Reports Free text reports of electrocardiogram and imaging studies.