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Domain

Clinical

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

16,027 clinical terms

Polyacrylamide Gel ElectrophoresisPAGE

Laboratory technique used to separate proteins or nucleic acids by molecular weight, referenced in EHR and laboratory information systems (LIS) when documenting diagnostic protein analysis, genetic testing workflows, or pathology results requiring electrophoretic separation methods in clinical data records.

Polymerase Chain ReactionPCR

Molecular diagnostic technique that amplifies specific DNA sequences for detection of pathogens, genetic variants, or biomarkers. Widely referenced in EHR, LIS, and claims systems under LOINC and CPT coding frameworks for infectious disease panels, oncology testing, and genetic screening workflows.

Positron Emission TomographyPET

Nuclear imaging modality that captures metabolic activity using radiotracers, referenced in EHR, radiology information systems (RIS), and claims data under CPT and ICD coding structures for oncology staging, neurology diagnostics, and cardiology assessments requiring functional imaging documentation.

Post-Exposure ProphylaxisPEP

Short-term antiretroviral or pharmacological regimen initiated after potential exposure to infectious agents such as HIV, documented in EHR and pharmacy systems using RxNorm and NDC codes to track dispensing timelines, adherence monitoring, and claims-based reporting for public health and PBM analytics.

Post-Market Clinical Follow-upPMCF

Ongoing clinical surveillance conducted after a medical device receives market approval, captured in clinical registry and EHR systems to document real-world safety and performance data, support regulatory compliance reporting, and inform device-related claims analysis in healthcare data warehouses.

PotassiumK

Essential electrolyte measured in serum or plasma, documented in EHR laboratory results using LOINC codes and reported in mEq/L or mmol/L. Critical for renal, cardiac, and medication management workflows in clinical data systems, particularly for patients on diuretics, ACE inhibitors, or dialysis.

Potassium ChlorideKCl

Electrolyte replacement compound administered orally or intravenously, identified by NDC and RxNorm codes in pharmacy and PBM systems. Documented in EHR medication administration records and claims data for treatment of hypokalemia, frequently monitored alongside serum potassium lab values in clinical workflows.

Potential of HydrogenpH

Logarithmic scale measuring hydrogen ion concentration in biological fluids, reported in EHR laboratory and clinical documentation systems using LOINC codes. Critical for interpreting arterial blood gas results, renal function assessments, and metabolic disorder management within clinical data integration workflows.

Potentially Inappropriate Medicationpot_inap_med

Drug identified as posing elevated risk relative to benefit for specific patient populations, typically elderly patients, based on criteria such as Beers or STOPP. Flagged in EHR clinical decision support, PBM drug utilization review systems, and quality measure reporting for medication safety and HEDIS compliance.

Preceptorprecept

A licensed clinical supervisor assigned to oversee and train healthcare providers in training within EHR and credentialing systems. Preceptor records link supervising clinicians to trainees for compliance tracking, billing validation, and supervision documentation in provider enrollment and practice management platforms.

Privacy Impact AssessmentPIA

A structured, documented evaluation required under HIPAA and organizational governance policies that systematically identifies privacy risks introduced by new systems, data flows, or processes handling PHI or PII. Completed during system design phases in EHR, claims, and PBM implementations to document mitigation controls and ensure regulatory compliance.

Procedureprocd

FHIR R4 resource capturing clinical actions performed on, with, or for a patient during care delivery, including surgical, diagnostic, and therapeutic interventions. Used in EHR systems, claims platforms, and healthcare data integrations to document procedure codes, performers, dates, and outcomes for billing and quality reporting.

Procedure Codeproc_cd

The standardized CPT or HCPCS alphanumeric code identifying a specific medical service, treatment, or intervention rendered to a patient. Used across EHR, claims, and PBM systems for billing, adjudication, utilization management, and clinical reporting workflows.

Procedure Dateproc_dt

The calendar date on which a specific clinical, surgical, or diagnostic procedure was performed on a patient. Captured in EHR and claims systems as a key date field used for episode grouping, timely filing validation, prior authorization alignment, and outcomes reporting.

Procedure Modifierproc_mod_1

A two-character HCPCS or CPT modifier code appended to a primary procedure code on a medical or professional claim to provide additional clinical or billing context, such as GP for physical therapy or 25 for a significant separate evaluation. Used in claims adjudication and reimbursement calculations.

Product ReturnReturn

Indicates a reversal or physical return of a dispensed pharmaceutical or medical product in pharmacy or PBM systems. Triggers claim reversal processing, inventory adjustments, and financial reconciliation workflows in dispensing and adjudication platforms.

Progesteroneprogest

Lab or clinical data element capturing measured progesterone hormone levels in EHR or lab systems, typically recorded in ng/mL. Used in obstetric, fertility, and endocrine workflows to assess reproductive health, pregnancy viability, and hormonal therapy monitoring.

Prostate Specific AntigenPSA

Lab result field capturing PSA concentration in blood, measured in ng/mL, within EHR and lab information systems. Used in oncology and urology workflows for prostate cancer screening, diagnosis, treatment monitoring, and quality measure reporting in claims data.

Protect From LightPFL

Dispensing instruction flag in pharmacy and PBM systems indicating a drug product must be shielded from light exposure during storage and handling. Drives packaging requirements, label generation, and medication storage compliance workflows in dispensing platforms.

Protocolproto

Structured clinical or administrative rule set governing treatment pathways, data exchange standards, or care management workflows in EHR, claims, and interoperability systems. Protocols drive utilization management decisions, prior authorization logic, and clinical trial enrollment criteria.

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