US Core Implementation Guide
8.0.1 - STU 8

US Core Implementation Guide, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 8.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/US-Core/ and changes regularly. See the Directory of published versions

## Example Observation: Cigarette Pack-Years Example

Page standards status: Informative

Profile: US Core Smoking Status Observation Profileversion: null8.0.1)

status: Final

category: Social History

code: Cigarette pack-years

subject: Amy Shaw

effective: 2016-03-18 05:27:04+0000

performer: Dr Ronald Bone

value: 26 pack-years (Details: UCUM code{pack-years} = '{pack-years}')