LOINCActiveObservation

LOINC Code 45345-6: Engorgement Ql (tick)

45345-6 is a LOINC code used to identify Engorgement Ql (tick) 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 Engorgement. It is commonly used with the system or sample type ^Tick.

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 Engorgement. It is commonly used with the system or sample type ^Tick.

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

  • Tick engorgement [presence]
  • Engorgement
  • ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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

Engorgement Ql (tick)Tick engorgement [presence]Engorgement Tick QlEngorgementMICROEngorgement, tickPrThr

Frequently asked questions

Code details

Code45345-6
SystemLOINC
Display nameEngorgement Ql (tick)
DescriptionEngorgement
Short nameEngorgement Tick Ql
ComponentEngorgement
PropertyPrThr
TimingPt
System (specimen)^Tick
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.56

Consumer names

Engorgement, tick

Part names

EngorgementPrThrPt^TickOrdPresence or ThresholdPoint 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 45345-6 | HealthAssure