LOINCActiveBoth

LOINC Code 100455-5: Clinical pathology Outpatient Progress note

100455-5 is a LOINC code used to identify Clinical pathology Outpatient Progress note 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 Progress note. It is commonly used with the system or sample type Outpatient.

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 Progress note. It is commonly used with the system or sample type Outpatient.

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
  • Method: Clinical pathology

What it does not mean

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

Key facts

  • Clinical pathology Outpatient Progress note
  • Progress note
  • Clin Path; DOC.ONT; Document; Encounter; Evaluation and management; Evaluation and management note; Finding; Findings; Laboratory medicine; notes; OP; Path; Point in time; Prog note; Random; subsequent evaluation; subsequent visit evaluation; Visit note

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

Clinical pathology Outpatient Progress noteClin Path OP Prog noteProgress noteDOC.ONTOLOGYFindPtOutpatient

Frequently asked questions

Code details

Code100455-5
SystemLOINC
Display nameClinical pathology Outpatient Progress note
DescriptionProgress note
Short nameClin Path OP Prog note
ComponentProgress note
PropertyFind
TimingPt
System (specimen)Outpatient
ScaleDoc
MethodClinical pathology
ClassDOC.ONTOLOGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.73
Last changed2.73

Part names

Progress noteFindPtOutpatientDocClinical pathologyProgressNoteFindingPoint 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 100455-5 | HealthAssure