You are here API - Libraries helps people comply with HIPAA (Health Insurance Portability and Accountability Act), an act which establishes national standards for electronic health care transactions as well as identifiers for providers, health insurance plans, and employers. allows users to retrieve names and explanations for standardized identification codes. It also provides Wikipedia links for ICD codes and two-way ICD9/10 equivalency mapping. Developers can access features programmatically via REST calls with responses formatted in JSON.