What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 66178-5: Cancer chemotherapy received in the past 4W or will be received in the next 4W

Name: LOINC Code 66178-5: Cancer chemotherapy received in the past 4W or will be received in the next 4W
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:45.459Z

66178-5 is a LOINC code used to identify Cancer chemotherapy received in the past 4W or will be received in the next 4W 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 Cancer chemotherapy received in the past 4W or will be received in the next 4W. 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 Cancer chemotherapy received in the past 4W or will be received in the next 4W. 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

What it does not mean

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

Key facts

Cancer chemotherapy received in the past 4W or will be received in the next 4W
Cancer; Chemo; Chemotherapy rcvd past 4W; Chemotherapy rcvd past 4W or next 4W; Finding; Findings; Last; ONCOLOGY; Ordinal; Point in time; 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

Cancer chemotherapy received in the past 4W or will be received in the next 4WChemotherapy rcvd past 4W or next 4WONCOLOGYFindPt^PatientOrd

Frequently asked questions

Code details

Code66178-5

SystemLOINC

Display nameCancer chemotherapy received in the past 4W or will be received in the next 4W

Short nameChemotherapy rcvd past 4W or next 4W

ComponentCancer chemotherapy received in the past 4W or will be received in the next 4W

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

ClassONCOLOGY

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.68

Part names

Cancer chemotherapy received in the past 4W or will be received in the next 4WFindPt^PatientOrdFindingPoint 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.