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LOINC Code 13660-6: Gonadotropin releasing hormone [Mass/Vol]

13660-6 is a LOINC code used to identify 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 Gonadotropin releasing hormone. It is commonly used with the system or sample type Ser/Plas.

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 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Gonadotropin releasing hormone [Mass/volume] in Serum or Plasma
  • Gonadotropin releasing hormone
  • Chemistry; Endocrine; Endocrinology; GHR; GnRH; Horm; Level; LHRH; Luliberin; Luteinizing hormone releasing hormone; Lutropin release factor; Mass concentration; Pl; Plasma; Plsm; Point in time; 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

Gonadotropin releasing hormone [Mass/Vol]Gonadotropin releasing hormone [Mass/volume] in Serum or PlasmaGnRH SerPl-mCncGonadotropin releasing hormoneCHEMGonadotropin releasing hormone, BloodMCnc

Frequently asked questions

Code details

Code13660-6
SystemLOINC
Display nameGonadotropin releasing hormone [Mass/Vol]
DescriptionGonadotropin releasing hormone
Short nameGnRH SerPl-mCnc
ComponentGonadotropin releasing hormone
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.73

Consumer names

Gonadotropin releasing hormone, Blood

Part names

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.