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.

LOINCObservation

LOINC Code 1600-6: Lutropin pre dose gonadotropin releasing hormone [Mass/Vol]

Name: LOINC Code 1600-6: Lutropin pre dose gonadotropin releasing hormone [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:25.875Z

1600-6 is a LOINC code used to identify Lutropin pre dose gonadotropin releasing hormone [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 Lutropin^pre dose gonadotropin releasing hormone. It is commonly used with the system or sample type Ser/Plas.

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 Lutropin^pre dose gonadotropin releasing hormone. It is commonly used with the system or sample type Ser/Plas.

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: DISCOURAGED
Order vs observation: Observation

What it does not mean

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

Key facts

Lutropin [Mass/volume] in Serum or Plasma --pre dose gonadotropin releasing hormone
Lutropin^pre dose gonadotropin releasing hormone
Before; CHEMISTRY.CHALLENGE TESTING; GHR; GnRH; Horm; ICSH; Interstitial cell-stimulating hormone; Interstitual cell stimulating hormone; Leutinizing hormone; Level; LH; LHRH; Luliberin; Luteinizing hormone; Luteinizing hormone releasing hormone; Lutenin; Lutenizing hormone; Lutropin release factor; Mass concentration; Ovulation test; Pl; Plasma; Plsm; Point in time; pre GnRH; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Lutropin pre dose gonadotropin releasing hormone [Mass/Vol]Lutropin [Mass/volume] in Serum or Plasma --pre dose gonadotropin releasing hormoneLH pre GnRH SerPl-mCncLutropin^pre dose gonadotropin releasing hormoneCHALLutropin (LH; Luteinizing Hormone) before dose Gonadotropin Releasing Hormone, BloodMCnc

Frequently asked questions

Code details

Code1600-6

SystemLOINC

Display nameLutropin pre dose gonadotropin releasing hormone [Mass/Vol]

DescriptionLutropin^pre dose gonadotropin releasing hormone

Short nameLH pre GnRH SerPl-mCnc

ComponentLutropin^pre dose gonadotropin releasing hormone

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsug/uL

StatusDISCOURAGED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.34

Consumer names

Lutropin (LH; Luteinizing Hormone) before dose Gonadotropin Releasing Hormone, Blood

Part names

Lutropin^pre dose gonadotropin releasing hormoneMCncPtSer/PlasQnMass ConcentrationPoint in time (spot)Serum or Plasma

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.