LOINCActiveObservation

LOINC Code 89545-8: PERC Total score

89545-8 is a LOINC code used to identify PERC Total score 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 Total score. 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 Total score. 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: Observation
  • Method: PERC

What it does not mean

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

Key facts

  • PERC Total score
  • Total score
  • CLIN; CLIN.RISK; Point in time; Pulmonary Function Test; QNT; Quan; Quant; Quantitative; Random; Scale; Scre; Tot; Totl

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

PERC Total scoreTotal scoreCLIN.RISKScorePt^PatientQn

Frequently asked questions

Code details

Code89545-8
SystemLOINC
Display namePERC Total score
DescriptionTotal score
Short namePERC Total score
ComponentTotal score
PropertyScore
TimingPt
System (specimen)^Patient
ScaleQn
MethodPERC
ClassCLIN.RISK
Example unitsscore
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.64
Last changed2.65

Part names

Total scoreScorePt^PatientQnPERCPoint in time (spot)Pulmonary Embolism Rule-out Criteria

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 89545-8 | HealthAssure