LOINCActiveObservation

LOINC Code 97001-2: Vaccine administration tier

97001-2 is a LOINC code used to identify Vaccine administration tier 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 Vaccine administration tier. It is commonly used with the system or sample type ^Event.

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 Vaccine administration tier. It is commonly used with the system or sample type ^Event.

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: Observation

What it does not mean

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

Key facts

  • Vaccine administration tier
  • The tier that the vaccine was administered to in a particular event, such as the COVID-19 pandemic.
  • Nominal; PH; Point in time; Public Health; PublicHealth; Random; Typ

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

Vaccine administration tierVACCINTypePt^EventNomPoint in time (spot)

Frequently asked questions

Code details

Code97001-2
SystemLOINC
Display nameVaccine administration tier
Short nameVaccine administration tier
ComponentVaccine administration tier
PropertyType
TimingPt
System (specimen)^Event
ScaleNom
ClassVACCIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Vaccine administration tierTypePt^EventNomPoint 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 97001-2 | HealthAssure