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Back to Glossary

Domain

Clinical

EHR, ICD-10, LOINC, SNOMED CT, patient care and clinical documentation

16,027 clinical terms

Emergency Use AuthorizationEUA

EUA is an FDA mechanism allowing unapproved medical products or unapproved uses to be deployed during public health emergencies, tracked in EHR formulary, pharmacy dispensing, and claims systems using special billing codes. PBM and payer platforms must configure adjudication rules to accommodate EUA-designated drugs and devices.

EncephalitisEnceph

Clinical abbreviation for inflammation of the brain, mapped to ICD-10-CM codes (e.g., G04.x) in EHR diagnosis records, claims data, and clinical documentation systems. Used in risk adjustment models, case management platforms, and population health analytics to identify high-acuity neurological encounters.

EndocarditisEndo

Inflammation or infection of the heart's inner lining, coded in EHR and claims systems using ICD-10 diagnoses (e.g., I33.0). Relevant in clinical data models for identifying high-risk cardiac patients, triggering care management workflows, and supporting quality measure reporting in payer and provider systems.

EndocrinologyENDO

Medical specialty focused on hormonal and metabolic disorders, represented as a provider taxonomy code in claims and EHR systems. Used to route referrals, filter specialty-specific claims, segment provider networks, and support chronic disease management analytics in payer and health plan data platforms.

Endotoxinendotxn

Lipopolysaccharide compound released by gram-negative bacteria, referenced in laboratory and pharmacy data systems for infection monitoring and drug manufacturing quality control. Appears in lab result records within EHR systems and is relevant to clinical data models tracking sepsis risk and formulary safety data.

Enzyme-Linked Immunosorbent AssayELISA

Quantitative laboratory test method used to detect antibodies, antigens, or proteins, with results stored in EHR lab modules and LIS systems using LOINC codes. Referenced in clinical data pipelines for infectious disease surveillance, drug monitoring, and population health analytics within payer and provider data warehouses.

Epstein-Barr VirusEBV

Epstein-Barr Virus (EBV) is a herpesvirus documented in EHR diagnosis records using ICD-10 codes such as B27.0x. Relevant in claims and lab systems for infectious mononucleosis and oncology-related diagnoses. Used in clinical analytics, lab result integration, and risk stratification data pipelines.

Erythrocyte Sedimentation RateESR

A laboratory test result field stored in EHR and lab information systems measuring the rate at which red blood cells settle in a tube over one hour, reported in mm/hr. Used as an inflammatory marker in clinical documentation, diagnostic coding workflows, and chronic disease management data pipelines.

EsophagogastroduodenoscopyEGD

A gastrointestinal endoscopic procedure code and documentation element found in EHR, surgical, and claims systems representing upper GI tract visualization. Mapped to CPT and ICD procedure codes for claims adjudication, prior authorization workflows, and procedure-level clinical analytics in hospital data environments.

Estimated Due DateEDD

The clinically calculated projected delivery date for a pregnant patient, stored in EHR obstetric and prenatal care modules. Used in maternal health data pipelines, care gap analysis, quality measure reporting, and population health platforms to track prenatal visit compliance and delivery outcomes.

Estrogenestrgn

A hormone classification and laboratory or medication data element recorded in EHR, pharmacy, and PBM systems representing endogenous or exogenous estrogen levels and prescriptions. Used in women's health clinical documentation, drug formulary management, hormone therapy claims processing, and pharmacovigilance data workflows.

Expectorantexpctrant

A medication that promotes the expulsion of mucus from the respiratory tract. Classified in pharmacy and PBM drug databases by therapeutic category and NDC code, used in formulary management, drug utilization review, and claims adjudication to apply appropriate tier pricing and prior authorization rules.

Extractextrt

The first phase of a data pipeline in which raw data is pulled from source healthcare systems such as EHRs, claims platforms, pharmacy dispensing systems, or PBM databases. Extracts are typically scheduled batch processes or real-time API calls that capture member, clinical, and financial records for downstream transformation and loading.

Fact TableFact

Core component of a healthcare data warehouse star or snowflake schema containing quantitative, measurable event-level data such as claims, encounters, pharmacy fills, or member enrollment transactions. Fact tables link to dimension tables via foreign keys and are optimized for aggregation queries in EHR, payer, and PBM analytics platforms.

Failure Mode and Effects AnalysisFMEA

A structured, proactive risk assessment methodology applied in healthcare data systems and clinical workflows to identify potential failure points, assess their impact on patient safety or data integrity, and prioritize corrective actions. Used in EHR implementation, claims processing design, and interoperability pipeline validation to reduce operational risk.

Family PracticeFP

A primary care medical specialty providing comprehensive, continuous healthcare across all ages and conditions, classified by specialty codes such as NUCC taxonomy 207Q00000X in provider master data systems. Used in EHR, credentialing, network management, and claims routing to identify and categorize primary care provider relationships and attribution models.

Family and Medical Leave ActFMLA

U.S. federal legislation entitling eligible employees to unpaid, job-protected leave for qualifying medical or family events, relevant to healthcare HR systems, member enrollment platforms, and benefits administration. Data engineers use FMLA status fields in HR and payer systems to manage coverage continuity, eligibility gaps, and dependent enrollment processing.

Fasting Blood SugarFBS

A clinical lab result value representing blood glucose concentration measured after a minimum fasting period, stored in EHR systems using LOINC code 1558-6 and transmitted in HL7 or FHIR observation resources. Used in population health analytics, diabetes management programs, and HEDIS quality measure reporting within payer and provider data platforms.

Fibratefibrt

A class of lipid-lowering medications, including fenofibrate and gemfibrozil, identified in pharmacy claims and PBM formulary systems using specific NDC codes and drug classification hierarchies such as GPI or Medi-Span. Used in pharmacy analytics, medication adherence reporting, and clinical quality measures targeting dyslipidemia management within EHR and population health platforms.

GastroenteritisGE

Gastroenteritis is an acute GI tract inflammation coded in EHR and claims systems primarily under ICD-10-CM K52.9 and related codes. It drives ED utilization metrics, inpatient admission tracking, and public health surveillance pipelines monitoring infectious versus non-infectious etiology patterns across member populations.

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