> ## Documentation Index > Fetch the complete documentation index at: https://developer.suki.ai/llms.txt > Use this file to discover all available pages before exploring further. # H > Glossary terms starting with H

H

| Term | Definition | | :--------------- | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **Headed SDK** | An SDK that includes pre-built User Interface (UI) components. Our Web SDK is headed. | | **Headless SDK** | An SDK that does not include pre-built UI components, allowing developers to create their own UI. Our Mobile SDK is headless. | | **HCC** | Hierarchical Condition Category. A CMS risk-adjustment category derived from **ICD10** diagnosis codes. Suki returns HCC in Ambient **Structured Data** output only. | | **HIPAA** | Health Insurance Portability and Accountability Act. U.S. legislation that provides data privacy and security provisions for safeguarding medical information. | | **HL7** | Health Level Seven International. A set of international standards for the transfer of clinical and administrative data between healthcare applications. | | **HMAC** | Hash-based Message Authentication Code. A cryptographic method used to verify the integrity and authenticity of webhook payloads sent from Suki to partner endpoints. | | **Hospital** | A healthcare institution that provides patient treatment with specialized health science and auxiliary healthcare staff and medical equipment. | | **HPI** | History of Present Illness. A clinical note section (LOINC: 10164-2) describing the chronological development of the patient's current health issue. | | **HTTPS** | HyperText Transfer Protocol Secure. An extension of HTTP that uses encryption for secure communication over a network. |