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.

LOINCActiveObservation

LOINC Code 75165-1: Mother's Non-treponemal or treponemal test was performed at 28-32 weeks gestation [CDC.CS]

Name: LOINC Code 75165-1: Mother's Non-treponemal or treponemal test was performed at 28-32 weeks gestation [CDC.CS]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:55.158Z

75165-1 is a LOINC code used to identify Mother's Non-treponemal or treponemal test was performed at 28-32 weeks gestation [CDC.CS] 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 Non-treponemal or treponemal test was performed at 28-32 weeks gestation. It is commonly used with the system or sample type ^Mother.

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 Non-treponemal or treponemal test was performed at 28-32 weeks gestation. It is commonly used with the system or sample type ^Mother.

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: CDC.CS

What it does not mean

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

Key facts

Mother's Non-treponemal or treponemal test was performed at 28-32 weeks gestation [CDC.CS]
Non-treponemal or treponemal test was performed at 28-32 weeks gestation
Centers for Disease Control and Prevention; Centers for Disease Control Congenital Syphilis (CS) Case Investigation and Report; Finding; Findings; Mat; Maternal; Matnl; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; SURVEY.CDC

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

Mother's Non-treponemal or treponemal test was performed at 28-32 weeks gestation [CDC.CS]Non-treponemal or treponemal test was performed at 28-32 weeks gestationSURVEY.CDCFindPt^MotherOrd

Frequently asked questions

Code details

Code75165-1

SystemLOINC

Display nameMother's Non-treponemal or treponemal test was performed at 28-32 weeks gestation [CDC.CS]

DescriptionNon-treponemal or treponemal test was performed at 28-32 weeks gestation

ComponentNon-treponemal or treponemal test was performed at 28-32 weeks gestation

PropertyFind

TimingPt

System (specimen)^Mother

ScaleOrd

MethodCDC.CS

ClassSURVEY.CDC

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.48

Part names

Non-treponemal or treponemal test was performed at 28-32 weeks gestationFindPt^MotherOrdCDC.CSFindingPoint in time (spot)Centers for Disease Control Congenital Syphilis (CS) Case Investigation and Report

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.