ICD-10 Code Lookup: Free Search Tool for Medical Coding
- Jan 25, 2025
Looking for a fast, free ICD-10 code lookup tool? FindICD10 provides instant access to over 94,000 ICD-10-CM diagnosis codes and ICD-10-PCS procedure codes. Whether you're a medical coder, biller, or healthcare provider, our lookup tool helps you find the right codes quickly.
Quick Code Search
Start searching now - enter a code, diagnosis, or keyword:
Or use our AI Clinical Note Analyzer to automatically extract codes from physician documentation.
How to Use Our ICD-10 Lookup Tool
Method 1: Keyword Search
The fastest way to find codes is using our full-text search:
- Type a diagnosis name, symptom, or code number
- Results appear instantly as you type
- Click any result to view full code details
Try searching for:
- "diabetes" - Find all diabetes-related codes
- "chest pain" - Locate symptom codes
- "E11" - Jump directly to Type 2 diabetes category
Method 2: Browse by Chapter
Navigate the complete ICD-10-CM code hierarchy:
- Start at the ICD-10-CM chapters
- Drill down through sections and categories
- Reach specific billable codes
This method is ideal when you want to explore related codes or understand the code structure.
Method 3: AI Clinical Note Analysis
Our AI-powered analyzer extracts ICD-10 codes from clinical documentation:
- Paste your clinical note or physician documentation
- The AI identifies medical conditions and symptoms
- Review suggested codes and select the appropriate ones
What Makes Our Lookup Tool Different
Completely Free
No registration, no subscription, no hidden fees. All 94,000+ codes are freely searchable.
Updated for 2026
We maintain both 2025 and 2026 ICD-10 code sets. Toggle between versions in the header to see code changes.
Official CMS Data
All codes come directly from the Centers for Medicare & Medicaid Services (CMS.gov), ensuring accuracy for medical billing.
Additional Features
- ICD-9 to ICD-10 Converter - Find equivalent codes
- DRG Information - Medicare reimbursement data
- Coding Rules - MCE edits and guidelines
- Common Codes by Specialty - Quick reference lists
ICD-10-CM Code Structure
Understanding the code structure helps you find codes faster:
| Position | Character | Example |
|---|---|---|
| 1 | Letter (A-Z) | E11.65 |
| 2-3 | Numbers | E11.65 |
| 4-7 | Specificity | E11.65 |
- First 3 characters = Category (e.g., E11 = Type 2 diabetes)
- Characters 4-7 = Additional specificity (complications, laterality, etc.)
Example: E11.65 = Type 2 diabetes mellitus with hyperglycemia
Frequently Searched Codes
Quick links to commonly needed codes:
| Code | Description |
|---|---|
| E11.9 | Type 2 diabetes without complications |
| I10 | Essential hypertension |
| J06.9 | Acute upper respiratory infection |
| M54.5 | Low back pain |
| Z23 | Encounter for immunization |
| J18.9 | Pneumonia, unspecified |
ICD-10-PCS Procedure Codes
For inpatient procedure coding, use our ICD-10-PCS Browser:
- Navigate sections (Medical & Surgical, Imaging, etc.)
- Explore body systems and operations
- Build 7-character codes interactively
Start Your Code Lookup
Ready to find the codes you need?
- Search by keyword - Instant full-text search
- Browse ICD-10-CM - Navigate by chapter
- Browse ICD-10-PCS - Procedure codes
- AI Analyzer - Extract codes from clinical notes
---
Data sourced from CMS.gov. Updated for 2026 codes (effective October 1, 2025).