LOINCActiveBoth

LOINC Code 97155-6: SARS coronavirus 2 (COVID-19) immunization status

97155-6 is a LOINC code used to identify SARS coronavirus 2 (COVID-19) immunization status in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component SARS coronavirus 2 immunization status. It is commonly used with the system or sample type ^Patient.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component SARS coronavirus 2 immunization status. It is commonly used with the system or sample type ^Patient.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • SARS coronavirus 2 (COVID-19) immunization status
  • SARS coronavirus 2 immunization status
  • Indicates the patient's current status towards completing the vaccine series/group for SARS-CoV-2 (COVID-19).
  • 2019 Novel Coronavirus; 2019-nCoV; Corona virus; COVID19; COVID-19; History; ID; II; Immunization status; Infectious Disease; InfectiousDisease; Nominal; PH; Point in time; Public Health; PublicHealth; Random; SARS Coronavirus 1; SARS-CoV; SARS-CoV-1; SARS-CoV-2; SARS-CoV-2 immunization status; Severe Acute Respiratory Syndrome; Vaccination; Vaccinations; Vaccine; Viral Pneumonias; Wuhan coronavirus

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

SARS coronavirus 2 (COVID-19) immunization statusSARS-CoV-2 immunization statusSARS coronavirus 2 immunization statusVACCINHxPt^Patient

Frequently asked questions

Code details

Code97155-6
SystemLOINC
Display nameSARS coronavirus 2 (COVID-19) immunization status
DescriptionSARS coronavirus 2 immunization status
Short nameSARS-CoV-2 immunization status
ComponentSARS coronavirus 2 immunization status
PropertyHx
TimingPt
System (specimen)^Patient
ScaleNom
ClassVACCIN
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Part names

SARS coronavirus 2 immunization statusHxPt^PatientNomSARS coronavirus 2 (COVID-19) immunization statusHistoryPoint in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 97155-6 | HealthAssure