# LabRef — Clinical Lab Interpretations > Clinical reference for interpreting common laboratory values with interpretations and ranges. (iPhone/iPad app by Rishi Kumar.) - Source: https://appshunter.io/ios/app/labref/id6751020319 (this page in markdown: same URL + `.md`) - Developer: [Rishi Kumar](https://appshunter.io/developer/1434016052) - Category: Medical, Reference - Price: Free - Rating: 5.00/5 from 24 App Store ratings · 2 written reviews indexed - Age rating: 17+ - Requires: iOS 26 · 15 MB - Languages: American English - Released: 2025-09-18 - Data updated: 2026-08-24 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/labref/id6751020319/reviews.md ## What is LabRef? 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 ## Key features - Interprets common laboratory values - Covers hematology, nephrology, critical care, and perioperative medicine - Provides concise interpretations - Includes reference ranges - Clean, intuitive interface - Optimized for bedside use ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/labref/id6751020319/reviews.md ### 5/5 — Great app to have on hand *2026-01-06* Extremely useful lab reference that’s clear, practical, and well organized. Makes interpreting labs much easier without overcomplicating things, great app to have on hand. ### 5/5 — Thorough and super useful *2025-11-10* Love the liquid glass-compatible interface plus how concise yet thorough every piece of information is. Really looking forward to putting it to use during my last year of medical school and subsequent years of training and praxis. Thank you so much! **Developer response:** Thank you so much for the feedback, and best of luck as you finish med school! ## Frequently asked questions about LabRef ### What is LabRef used for? LabRef is a clinical reference tool designed to help users interpret common laboratory values. It provides concise interpretations and reference ranges for various medical disciplines, making it useful for quick bedside reference. ### Is LabRef suitable for diagnosing medical conditions? No, LabRef is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for any medical concerns. ### What medical disciplines does LabRef cover? LabRef covers a range of disciplines including hematology, nephrology, critical care, and perioperative medicine, offering interpretations and reference ranges for common lab values within these fields. ### What devices is LabRef available on? LabRef is available on iPhone and iPad devices, offering a convenient mobile solution for medical professionals and students. ### How often is LabRef updated? The latest version of LabRef is 1.4, and it was last updated on January 14, 2026. This indicates a commitment to maintaining and improving the app's content and functionality. ### What is the age rating for LabRef? LabRef has an age rating of 17+, suggesting it contains content or complexity suitable for adult users in the medical field. ### Does LabRef have ads? No, LabRef does not contain advertisements. This ensures an uninterrupted and focused user experience for interpreting clinical lab values. ### What is the user rating for LabRef? LabRef has an excellent rating of 5.0 stars from 14 ratings, indicating high user satisfaction with its clinical reference capabilities. ## Version history (last 5 releases) ### 1.7 — 2026-07-02 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 ### 1.6 — 2026-05-18 Updated: Minor bug fixes and codebase optimizations ### 1.5 — 2026-04-25 Added: Over 100 new labs! Check out the changelog in the app for the list! Updated: Adjusted user interface elements for the References tab Updated: Minor bug fixes ### 1.4 — 2026-01-14 Updated: Small bug fixes ### 1.3 — 2025-12-22 Added: TEG R Time, TEG K Time, TEG Alpha Angle, TEG MA, TEG LY30, ROTEM EXTEM, ROTEM INTEM, ROTEM FIBTEM, ROTEM APTEM Updated: Matomo SDK to 7.8.0 ## Apps similar to LabRef | App | Rating | Price | Category | | --- | --- | --- | --- | | [Emergency Manual](https://appshunter.io/ios/app/emergency-manual/id6446658508) | 5.0 (12) | Free | Medical | | [Anesthesia One](https://appshunter.io/ios/app/anesthesia-one/id6503323182) | 4.8 (6) | Free | Medical | | [Periop Pacemaker](https://appshunter.io/ios/app/periop-pacemaker/id6615070538) | 5.0 (8) | Free | Medical | | [Follie – All-in-One Anesthesia](https://appshunter.io/ios/app/follie-all-in-one-anesthesia/id6760919266) | 4.9 (87) | Free | Medical | | [Coexisting Diseases & Surgery](https://appshunter.io/ios/app/coexisting-diseases-and-surgery/id1543711877) | 4.6 (29) | $99.99 | Medical | | [ECHO On](https://appshunter.io/ios/app/echo-on/id1519707786) | 4.9 (13) | Free | Medical | ## More apps by Rishi Kumar - [EchoRef](https://appshunter.io/ios/app/echoref/id1434016053) - [CoagRef](https://appshunter.io/ios/app/coagref/id6748641864) - [EBMRef](https://appshunter.io/ios/app/ebmref/id6751447390) - [VentRef](https://appshunter.io/ios/app/ventref/id6756503414) - [ECGRef](https://appshunter.io/ios/app/ecgref/id6757675855) All apps by Rishi Kumar: https://appshunter.io/developer/1434016052 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*