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  1. Vital Signs
  • Getting Started
    • Introduction
    • Supported Standards, Frameworks & API Versions
    • Standardized API Details – Patient and Population Services
    • Environment Endpoints
    • Errors and Exceptions
  • Authentication & Authorization
    • Overview – Authorization & Security Standards
    • Authorization
      • Well-known configuration
      • Authorize
      • Request
      • Revoke
      • Introspect
  • Developer Onboarding
    • App Registration & Credentials
  • API Usage Guidelines
    • FHIR API Interaction Conventions
  • US Core & USCDI Mapping
    • Overview
  • APIs
    • Allergies and Intolerances
      • By Patient ID
      • By Resource ID
    • Assessment and Plan of Treatment
      • By Patient and Category
    • Care Team Members
      • Care Teams
        • By Patient and Status
        • By Patient and Role
      • Related Person
        • By ID
        • By Patient
      • Practitioner
        • By Name
        • By Resource ID
        • By Identifier
      • Practioner Role
        • By Specialty
        • By Practitioner ID
        • By Practitioner Identifier
        • By Practitioner Name
      • Location
        • By Name
        • By Address
        • By City
        • By State
        • By Postal Code
      • Organization
        • By Name
        • By Address
    • Clinical Notes
      • Document References
        • By ID
        • By Patient
        • By Patient and Category
        • By Patient, Category, and Date
        • By Patient and Type
        • By Patient and Status
        • By Patient, Type, and Period
      • Diagnostic Report
        • By Patient ID
        • By Patient and Category
        • By Patient and Code
        • By Patient, Category, and Date
        • By Patient and Status
    • Goals
      • Get Goals by Patient ID
      • Get Goal by ID
      • Get Goals by Patient and Lifecycle Status
      • Get Goals by Patient and Target Date
      • Get Goals by Patient and Description
      • Get Diagnostic Reports by Patient, Code, and Date
    • Clinical Tests
      • Observation
        • By Patient and Category
        • By Patient and Code
        • By Patient, Code, and Date
        • By Patient, Category, and Date
        • By Patient, Category, and Status
      • Lab Diagnostic Report
        • By Patient
        • By Patient and Code
        • By Patient, Code, and Date
        • By Patient and Category
        • By Patient, Category, and Date
        • By Patient and Status
    • Diagnostic Imaging
      • Imaging Observations
        • By Patient
        • By Patient and Category
        • By Patient, Category, and Date
        • By Patient, Category, and Status
        • By Patient and Code
        • By Patient, Code and Date
    • Encounter Information
      • Encounter
        • By ID
        • By Patient ID
        • By Patient and Date Range
        • By Identifier
        • By Patient and Class
        • By Patient and Type
        • By Patient and Location
        • By Patient and Status
        • By Patient and Discharge Disposition
      • Encounter Diagnosis
        • By Patient ID
        • By Patient ID and Clinical Status
        • By Patient ID and Category
        • By Patient ID and Code
        • By Patient ID and Asserted Date
        • By Patient ID, Category, and Encounter
        • By Patient ID and Onset Date
        • By Patient ID and Recorded Date
        • By Patient ID and Abatement Date
    • Group
      • By ID
      • By $export (Group-level Bulk Export)
    • Health Concerns
      • By Patient
      • By Patient and Clinical Status
      • By Patient and Category
      • By Patient and Category and Encounter
      • By Patient and Code
      • By Patient and Asserted Date
      • By Patient and Onset Date
      • By Patient and Recorded Date
      • By Patient and Abatement Date
    • Implantable Devices
      • By Patient
      • By ID
      • By Patient and Type
    • Immunizations
      • By ID
      • By Patient
      • By Patient and Date
      • By Patient and Status
    • Laboratory
      • Laboratory Result Observation
        • By ID
        • By Patient and Category
        • By Patient, Category, and Date
        • By Patient, Category, and Status
        • By Patient and Code
        • By Patient, Code, and Date
    • Medications
      • Medications
        • By ID
        • By Patient
      • Medication Request
        • Get MedicationRequests by Patient
        • Get MedicationRequest by ID
        • Get MedicationRequests by Patient and Intent
        • Get MedicationRequests by Patient, Intent, and Encounter
        • Get MedicationRequests by Patient, Intent, and AuthoredOn Date
    • Patient Demographics
      • Patient
        • Get Patient by ID
        • Get Patient by Identifier
        • Get Patient by Name
        • Get Patient by Birthdate and Name
        • Get Patient by Gender and Name
        • Get Patient by Birthdate and Family Name
      • Observation Sexual Orientation
        • Get Observations by Patient ID
        • Get Observation by ID
        • Get Observations by Patient and Code
        • Get Observations by Patient, Code, and Date
        • Get Observations by Patient, Code, and Date
    • Procedures
      • Procedure
        • Get Procedures by Patient
        • Get Procedure by ID
        • Get Procedures by Patient and Date
        • Get Procedures by Patient and Status
        • Get Procedures by Patient, Code, and Date
      • Service Request
        • Get ServiceRequests by Patient
        • Get ServiceRequest by ID
        • Get ServiceRequests by Patient and Category
        • Get ServiceRequests by Patient and Code
        • Get ServiceRequests by Patient, Category, and Authored Date
        • Get ServiceRequests by Patient, Code, and Authored Date
        • Get ServiceRequests by Patient and Status
    • Provenance
      • Provenance
        • Get Provenance by ID
        • Get resource and Provenance using _revinclude
    • Smoking Status
      • Smoking Status
        • Get Observation by ID
        • Get Observations by Patient
        • Get Smoking Status by Patient and Code
    • Vital Signs
      • Vital Signs
        • Get Observation by ID
        • Get Observations by Patient and Category
        • Get Observations by Patient and Code
        • Get Observations by Patient, Category, and Date
        • Get Observations by Patient, Category, and Status
        • Get Observations by Patient, Code, and Date
  • Legal & Compliance
    • API Terms of Use
  1. Vital Signs

Vital Signs

Overview#

Vital Signs are represented as FHIR Observation resources, restricted by the US Core Vital Signs Profile. Each vital sign conforms to its own specific profile and LOINC code.

Supported Profiles#

Vital SignUS Core ProfileLOINC Code(s)
Systolic/Diastolic Blood PressureUS Core Blood Pressure Profile85354-9
Heart RateUS Core Heart Rate Profile8867-4
Respiratory RateUS Core Respiratory Rate Profile9279-1
Body TemperatureUS Core Body Temperature Profile8310-5
Body HeightUS Core Body Height Profile8302-2
Body WeightUS Core Body Weight Profile29463-7
Pulse OximetryUS Core Pulse Oximetry Profile59408-5, 2708-6
BMI Percentile (2-20 years)Pediatric BMI for Age Observation Profile59576-9
Pediatric Weight for Height (Birth - 36M)Pediatric Weight for Height Observation Profile77606-2
Head Circumference (Birth - 36M)Pediatric Head Occipital-frontal Circumference Profile8289-1

Must Support Elements#

FHIR Field
Observation.status
Observation.category
Observation.code
Observation.subject
Observation.effectiveDateTime
Observation.valueQuantity
Observation.dataAbsentReason
Observation.component.code
Observation.component.valueQuantity
Observation.component.dataAbsentReason

Supported Search Capabilities#

Get Observation by ID#

Method: GET
Endpoint: /Observation/{id}
Description: Retrieve a specific vital signs Observation by ID.

Get Observations by Patient#

Method: GET
Endpoint: /Observation?patient={Type/}[id]
Description: Retrieve all vital signs Observations for a specific patient.

Get Observations by Patient and Category#

Method: GET
Endpoint: /Observation?patient={Type/}[id]&category=http://terminology.hl7.org/CodeSystem/observation-category|vital-signs
Description: Retrieve vital signs for a patient by category.

Get Observations by Patient and Code#

Method: GET
Endpoint: /Observation?patient={Type/}[id]&code={system|}|{code},{system|}|{code}
Description: Retrieve specific vital signs by code(s).

Get Observations by Patient, Category, and Date#

Method: GET
Endpoint: /Observation?patient={Type/}[id]&category=http://terminology.hl7.org/CodeSystem/observation-category|vital-signs&date={gt|lt|ge|le}[date]
Description: Retrieve patient vital signs by category and date range.

Get Observations by Patient, Category, and Status#

Method: GET
Endpoint: /Observation?patient={Type/}[id]&category=http://terminology.hl7.org/CodeSystem/observation-category|vital-signs&status={system|}|{code}
Description: Retrieve patient vital signs by category and observation status.

Get Observations by Patient, Code, and Date#

Method: GET
Endpoint: /Observation?patient={Type/}[id]&code={system|}|{code},{system|}|{code}&date={gt|lt|ge|le}[date]
Description: Retrieve specific vital signs by code and date range.
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