Free Clinical Tools
Medical tools for healthcare professionals
Free, evidence-based clinical calculators and medical tools. Built by healthcare professionals, for healthcare professionals.
32 free tools
All tools

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

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

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

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.

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

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.

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

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.

Review of Systems Checklist
Generate ROS documentation with 14 organ systems. Mark symptoms positive or negative.

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

Physical Exam Builder
Generate comprehensive physical exam documentation with normal and abnormal findings.

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

Referral Letter Generator
Create professional referral letters with clinical summaries and urgency levels.

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.

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.

SOAP Note Generator
Free AI SOAP note generator: type or speak your rough notes and get a structured SOAP or DAP note in seconds.

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

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

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.
Most used
Popular calculators
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
Free Framingham 10-year cardiovascular risk calculator. Age, sex, lipids, BP, smoking, diabetes estimate CHD risk and guide statin therapy decisions.
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