Comprehensive ICD-10 Data Database & Instant Lookup
The ICD-10 REST API provides access to the complete ICD-10-CM diagnostic index, external causes classification, procedure coding system (PCS), drug classifications, and neoplasm tables. Our lightning-fast search engine delivers real-time code lookups with comprehensive descriptions, HCC mappings, and validity date ranges.
Perfect for EHR developers, medical coding software, coding validation tools, and healthcare APIs requiring real-time code lookup. Integrate complete diagnostic and procedure code intelligence into your workflows with enterprise-grade reliability and performance.
Complete ICD-10 Coverage
100K+ diagnostic codes with full ICD-10-CM and ICD-10-PCS coverage updated from official CMS sources
Intelligent Search Engine
Fuzzy matching and iterative search capabilities for accurate code discovery with partial terms
HCC Mapping Integration
Real-time HCC mappings for V24 and V28 CMS-HCC models with coefficient values and risk adjustment data
Complete Medical Coding Intelligence & Code Lookup
Access comprehensive ICD-10 diagnostic and procedure codes with real-time search, HCC mappings, and complete medical coding metadata.
ICD-10 Diagnostic Index
Search the complete ICD-10-CM diagnostic index by letter and main term with hierarchical code relationships.
External Causes Index
Retrieve external cause codes for injuries and poisonings. Essential for accurate E-code assignment.
Tabular Code Details
Access detailed diagnostic information including chapter classifications and valid date ranges.
Drug Classification Table
Look up pharmaceutical and chemical substance codes with poisoning and adverse effect mappings.
Intelligent Code Search
Fuzzy matching and iterative search capabilities for accurate code discovery with partial terms.
ICD-10-PCS Procedure Codes
Complete ICD-10 Procedure Coding System access for inpatient procedure coding and billing.
Neoplasm Classification
Comprehensive tumor and neoplasm code tables with behavior classifications and anatomical sites.
Code Validity & Effective Dates
Access valid date ranges, code effective dates, and version information for historical coding.
Billable Status & Coverage
Identify billable vs non-billable codes with Medicare coverage indicators for claims.
Enterprise-Grade Medical Coding API
Real-time code lookup with comprehensive metadata, HCC mappings, and validation for healthcare applications.
API Key Authentication
Enterprise-grade security with API key authentication and HIPAA-compliant infrastructure.
Real-Time JSON Responses
Lightning-fast JSON responses with comprehensive code details in milliseconds.
HCC Mapping Integration
Instant HCC mappings for V24 and V28 CMS-HCC models with coefficient values.
Comprehensive Descriptions
Complete diagnostic code descriptions with chapter classifications and hierarchies.
Validity Date Ranges
Track code validity periods with effective dates and version information.
Billable Status Indicators
Identify billable vs non-billable codes instantly with billing status metadata.
Hierarchical Relationships
Navigate parent-child code relationships and category hierarchies effortlessly.
99.9% API Uptime
Enterprise-grade infrastructure with high availability and 24/7 monitoring.
Interactive Documentation
Comprehensive Swagger/OpenAPI documentation with live endpoint testing.
Advanced Medical Coding Intelligence
Advanced features designed for healthcare applications requiring comprehensive medical coding validation and intelligence.
Multi-Model HCC Support
Complete HCC mapping support for both V24 and V28 CMS-HCC risk adjustment models with real-time coefficient updates and historical model versioning.
Fuzzy Search & Auto-Suggestions
Intelligent fuzzy matching algorithm finds the right codes even with spelling variations, abbreviations, or partial search terms with ranked relevance scoring.
Laterality & Manifestation Validation
Automated validation of laterality requirements and manifestation/etiology code pairs ensuring ICD-10 coding guidelines compliance and reducing claim denials. Integrate with our ICD-10 guideline auditor API for comprehensive validation.
Regular CMS Data Updates
Automatic quarterly updates from official CMS ICD-10-CM and ICD-10-PCS releases ensuring your applications always have the latest code sets and guidelines.
Why Choose ICD-10 REST API
Fast, reliable, and proven to accelerate medical coding workflows for healthcare organizations.
Integrate ICD-10 Coding Intelligence Today
Start building with our comprehensive ICD-10 REST API. Free trial includes full API access, documentation, and developer support.