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LOINC Code 57106-7: Lutropin 20 Min post dose gonadotropin releasing hormone Qn

57106-7 is a LOINC code used to identify Lutropin 20 Min post dose gonadotropin releasing hormone Qn 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^20M post 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^20M post 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: ACTIVE
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Lutropin [Units/volume] in Serum or Plasma --20 minutes post dose gonadotropin releasing hormone
  • Lutropin^20M post dose gonadotropin releasing hormone
  • 20M p GnRH; After; Arbitrary concentration; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; GHR; GnRH; Horm; ICSH; Interstitial cell-stimulating hormone; Interstitual cell stimulating hormone; Leutinizing hormone; LH; LHRH; Luliberin; Luteinizing hormone; Luteinizing hormone releasing hormone; Lutenin; Lutenizing hormone; Lutropin release factor; Ovulation test; p dose; p GnRH; Pl; Plasma; Plsm; Point in time; PST; 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 20 Min post dose gonadotropin releasing hormone QnLutropin [Units/volume] in Serum or Plasma --20 minutes post dose gonadotropin releasing hormoneLH 20M p GnRH SerPl-aCncLutropin^20M post dose gonadotropin releasing hormoneCHALLutropin (LH; Luteinizing Hormone) 20 min after Gonadotropin Releasing Hormone, BloodACnc

Frequently asked questions

Code details

Code57106-7
SystemLOINC
Display nameLutropin 20 Min post dose gonadotropin releasing hormone Qn
DescriptionLutropin^20M post dose gonadotropin releasing hormone
Short nameLH 20M p GnRH SerPl-aCnc
ComponentLutropin^20M post dose gonadotropin releasing hormone
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsmIU/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.70

Consumer names

Lutropin (LH; Luteinizing Hormone) 20 min after Gonadotropin Releasing Hormone, Blood

Part names

Lutropin^20M post dose gonadotropin releasing hormoneACncPtSer/PlasQnArbitrary 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.