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  1. Smoking Status
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  1. Smoking Status

Smoking Status

Overview#

The Smoking Status profile uses the FHIR Observation resource to record a patient's tobacco usage. This profile is constrained to use the code 72166-2 (Tobacco smoking status NHIS) from LOINC and is categorized under social-history.
This Observation supports recording:
The patient’s smoking status
When the status was recorded
The value representing the smoking behavior
Responses are provided in FHIR R4 JSON format, conforming to the US Core Observation Smoking Status Profile.

Must Support Elements#

USCDI ElementFHIR Field
Observation StatusObservation.status
Observation CategoryObservation.category
Smoking Status CodeObservation.code (72166-2 LOINC)
Patient ReferenceObservation.subject
Status Recorded DateObservation.effectiveDateTime
Smoking Status ValueObservation.valueCodeableConcept

Supported Search Capabilities#

The following search combinations are required to be supported:

Get Observation by ID#

Method: GET
Endpoint: /Observation/{id}
Description: Retrieve a specific smoking status observation by its unique ID.

Get Observations by Patient#

Method: GET
Endpoint: /Observation?patient={Type/}[id]
Description: Retrieve all observations for a given patient, including smoking status if available.

Get Smoking Status by Patient and Code#

Method: GET
Endpoint: /Observation?patient={Type/}[id]&code=http://loinc.org|72166-2
Description: Retrieve smoking status observations for a specific patient using the required LOINC code.

Notes#

All requests require the Authorization: Bearer <token> header.
{Type/} should typically be Patient/ unless a different reference type is used.
Observation responses will be bundled and returned in compliance with the US Core implementation guide.
Modified at 2025-05-13 06:44:25
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