About this app
LabRef is a clinically focused reference for interpreting common laboratory values. Covering disciplines from hematology and nephrology to critical care and perioperative medicine, it delivers concise interpretations and reference ranges through a clean, intuitive interface optimized for rapid use at the bedside. This app is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you may have regarding a medical condition, and never disregard or delay seeking professional advice because of information provided by this app. About Rishi Kumar, MD, FACC ("RK.MD") I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md
Latest release
What’s New
Added: Alphabetized labs scroll index, global Favorites/Search toolbar, App Store review buttons, separated lab categories Updated: Shared analytics and note infrastructure, refreshed the interface with Liquid Glass styling, improved startup flow and navigation, enhanced favorites and custom notes, upgraded search with ranked results, modernized laboratory and reference views, and aligned the splash screen with the rest of the RKRef apps
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 10:19 PM Free