Free Clinical Tools

Medical Tools for Healthcare Professionals

Free, evidence-based clinical calculators and medical tools. Built by healthcare professionals, for healthcare professionals.

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Medical Calculators

Evidence-based clinical calculators for GFR, BMI, depression screening, and more.

17 tools

ICD-10 Code Lookup

Search over 70,000 ICD-10-CM diagnosis codes instantly. Free and always up-to-date.

70K+

CPT & HCPCS Lookup

Search CPT E/M codes and HCPCS Level II procedure codes by code or description.

80+

Drug Interaction Checker

Check for potential drug-drug interactions with severity ratings and clinical guidance.

Medical Abbreviations

Searchable reference of 250+ common medical abbreviations used in clinical documentation.

250+

Lab Values Reference

Normal ranges for 70+ common laboratory tests in conventional and SI units.

70+

Medical Unit Converter

Convert between conventional and SI units for glucose, lipids, renal function, and more.

Pediatric Dosage Calculator

Weight-based dosing for 30+ common pediatric medications with recommended doses.

30+

Medical Terminology

Learn medical terminology with 120+ prefixes, suffixes, and root words with examples.

120+

Pregnancy Due Date Calculator

Calculate estimated due date from LMP, conception, ultrasound, or IVF transfer date.

IV Drip Rate Calculator

Calculate IV infusion rates, drip rates (gtt/min), infusion time, and total volume.

Glasgow Coma Scale (GCS)

Calculate GCS scores for neurological assessment of eye, verbal, and motor responses.

Apgar Score Calculator

Assess newborn health at 1, 5, and 10 minutes after birth using the APGAR scoring system.

Vaccination Schedule

CDC recommended immunization schedules for children, adolescents, and adults.

MDM Calculator

Calculate E/M complexity levels based on 2021 MDM guidelines. Determine 99212-99215 coding.

Mental Status Exam Builder

Generate comprehensive MSE documentation for psychiatric and psychological evaluations.

11 categories

Review of Systems Checklist

Generate ROS documentation with 14 organ systems. Mark symptoms positive or negative.

14 systems

Psychiatric Rating Scales

PHQ-9, GAD-7, AUDIT-C, PCL-5, and more psychiatric screening tools with score calculations.

6 scales

Physical Exam Builder

Generate comprehensive physical exam documentation with normal and abnormal findings.

10 systems

HPI Builder

Build structured History of Present Illness documentation with the 8 OPQRST elements.

8 elements

Medication Reconciliation

Document medication lists with status, dosing changes, and reconciliation notes.

Procedure Note Generator

Generate procedure notes with pre-built templates for joint injection, I&D, biopsy, and more.

6 templates

Referral Letter Generator

Create professional referral letters with clinical summaries and urgency levels.

15+ specialties

Discharge Summary Builder

Build comprehensive discharge summaries with diagnoses, hospital course, and follow-up.

Informed Consent Generator

Generate informed consent documents with procedure-specific risks, benefits, and alternatives.

10+ procedures

Prior Auth Letter Generator

Create prior authorization letters with medical necessity justification and clinical criteria.

Differential Diagnosis Tool

Generate organized differential diagnoses by chief complaint with workup recommendations.

5 complaints

SOAP Note Generator

Build complete SOAP notes with subjective, objective, assessment, and plan sections.

Pain Assessment Scales

Multiple pain scales including NRS, Wong-Baker FACES, FLACC, and Abbey Pain Scale.

4 scales

Fall Risk Calculator

Calculate fall risk using the Morse Fall Scale with risk levels and interventions.

6 factors

Wound Documentation Builder

Document wounds with measurements, tissue type, exudate, and treatment plan.

Pediatric Growth Calculator

Calculate weight, height, and head circumference percentiles using WHO/CDC standards.

Birth-18y

Popular Calculators

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eGFR

Calculate estimated glomerular filtration rate using the CKD-EPI 2021 creatinine equation. Race-free formula recommended by KDIGO guidelines.

BMI

Calculate Body Mass Index (BMI) with WHO classification. Includes interpretation for adults and clinical considerations.

PHQ-9

Patient Health Questionnaire-9 (PHQ-9) for depression screening and severity assessment. Validated tool for clinical use.

GAD-7

Generalized Anxiety Disorder 7-item (GAD-7) scale for anxiety screening and severity assessment. Validated clinical tool.

CrCl

Calculate creatinine clearance using the Cockcroft-Gault equation. Primarily used for drug dosing adjustments.

Framingham

Estimates 10-year cardiovascular disease (CVD) risk using the Framingham Heart Study algorithm. Calculates risk based on age, sex, cholesterol levels, blood pressure, smoking status, and diabetes.

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