Fast ICD-10-CM Hub: diagnosis code lookup, with the context you need.
Find U.S. ICD-10-CM codes by number, diagnosis, or symptom. Explore the classification Tree, read coding instructions, and keep useful references close—all in one focused app for medical coders, billers, clinicians, and students.
SEARCH QUICKLY. KEEP YOUR PLACE.
→ Look up exact codes, undotted codes, diagnoses, and symptoms.
→ See exact matches first, with related results still available.
→ Check official descriptions and billable or non-billable status.
→ Return from a code detail to your search and continue working.
SEE HOW EVERY CODE CONNECTS
→ Explore chapters organized by clinical specialty.
→ Expand sections, categories, and subcodes in a connected Tree.
→ Search the Tree by code, chapter, or condition.
→ Follow a code’s classification path and compare neighboring entries.
READ THE CODING CONTEXT
→ Review available inclusion terms and Excludes1 and Excludes2 notes.
→ See instructions inherited from the chapter, section, and parent code.
→ Check available seventh-character requirements and additional-code instructions.
→ Explore the Alphabetic Index and official coding guidelines.
→ Review available code history from published source snapshots.
→ Copy or share a code for quick reference.
BUILD YOUR OWN REFERENCE LIBRARY
→ Create your own folders and subfolders for frequently used codes.
→ Organize a code in multiple folders and add personal reference notes.
→ Keep edits on your device while offline and sync with your account when connected.
→ Search saved references and revisit recently viewed codes.
→ Keep the reference features in one consistent workspace.
→ Choose optional saved-code reminders and app-update notifications.
A CLEARER EVERYDAY WORKFLOW
→ Choose light, dark, or system appearance.
→ Read official U.S. code titles and coding instructions in English.
→ Sign in with Google or verified email.
→ Edit your profile photo, manage your account, and recover your password.
→ Reach support from the app when you need help.
FREE REFERENCE ACCESS. OPTIONAL AD-FREE PRO.
The free Personal plan includes reference features with occasional ads. Upgrade to the optional monthly Pro subscription for an ad-free experience. The price and renewal terms are displayed before purchase. Payment is charged to your Google Play account. Subscriptions renew automatically unless canceled before renewal. Manage or cancel in Google Play subscription settings. Purchase restoration is available in the app.
OPTIONAL NOTIFICATIONS
App updates use Google Firebase Cloud Messaging and installation identifiers for delivery. Registration starts disabled. Enable or turn off reminders and app updates in Profile.
U.S. ICD-10-CM REFERENCE
New lookups use the latest complete U.S. ICD-10-CM edition available in the service. The bundled FY2027 catalog supports offline search, Tree browsing, code details, coding instructions, the Alphabetic Index, published code history, and official guidelines. Internet is required for initial sign-in, account synchronization, purchases, and online support.
Official sources:
CDC ICD-10-CM files: https://www.cdc.gov/nchs/icd/icd-10-cm/files.html
CMS ICD-10 resources: https://www.cms.gov/medicare/coding-billing/icd-10-codes
Fast ICD-10-CM Hub is an independent reference, not a government app, and is not affiliated with or endorsed by CDC or CMS. It does not provide medical advice or guarantee reimbursement. Verify the code set, date of service, official guidance, payer requirements, and clinical documentation before making coding decisions.
Need help or have a suggestion?
https://icd10codehub.com/contact
Privacy: https://icd10codehub.com/privacy
Terms: https://icd10codehub.com/terms
Download Fast ICD-10-CM Hub and make your next code lookup easier.
Fast diagnosis code lookup, connected Tree, coding notes, and saved references.