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.

LOINCActiveBoth

LOINC Code 37424-9: Perchlorate HPLC (Specimen) [Mass/Vol]

Name: LOINC Code 37424-9: Perchlorate HPLC (Specimen) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

37424-9 is a LOINC code used to identify Perchlorate HPLC (Specimen) [Mass/Vol] 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 Perchlorate. It is commonly used with the system or sample type XXX.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Perchlorate. It is commonly used with the system or sample type XXX.

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: HPLC

What it does not mean

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

Key facts

Perchlorate [Mass/volume] in Specimen by HPLC
Perchlorate
DRUG/TOXICOLOGY; Drugs; High performance liquid chromatography; High pressure liquid chromatography; Level; Mass concentration; Misc; Miscellaneous; Other; Perchloric acid; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; To be specified in another part of the message; Unspecified

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Perchlorate HPLC (Specimen) [Mass/Vol] (37424-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Perchlorate HPLC (Specimen) [Mass/Vol]Perchlorate [Mass/volume] in Specimen by HPLCPerchlorate Spec HPLC-mCncPerchlorateDRUG/TOXPerchlorate, SpecimenMCnc

Frequently asked questions

Code details

Code37424-9

SystemLOINC

Display namePerchlorate HPLC (Specimen) [Mass/Vol]

DescriptionPerchlorate

Short namePerchlorate Spec HPLC-mCnc

ComponentPerchlorate

PropertyMCnc

TimingPt

System (specimen)XXX

ScaleQn

MethodHPLC

ClassDRUG/TOX

Example unitsppm

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.13

Last changed2.70

Consumer names

Perchlorate, Specimen

Part names

PerchlorateMCncPtXXXQnHPLCMass ConcentrationPoint in time (spot)High pressure liquid chromatography (HPLC)

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.