LOINCObservation

LOINC Code 1596-6: Lutropin 30 Min post dose gonadotropin releasing hormone [Mass/Vol]

1596-6 is a LOINC code used to identify Lutropin 30 Min post 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^30M 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^30M 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: 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 --30 minutes post dose gonadotropin releasing hormone
  • Lutropin^30M post dose gonadotropin releasing hormone
  • 30M p GnRH; After; 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; 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 30 Min post dose gonadotropin releasing hormone [Mass/Vol]Lutropin [Mass/volume] in Serum or Plasma --30 minutes post dose gonadotropin releasing hormoneLH 30M p GnRH SerPl-mCncLutropin^30M post dose gonadotropin releasing hormoneCHALLutropin (LH; Luteinizing Hormone) 30 min after Gonadotropin Releasing Hormone, BloodMCnc

Frequently asked questions

Code details

Code1596-6
SystemLOINC
Display nameLutropin 30 Min post dose gonadotropin releasing hormone [Mass/Vol]
DescriptionLutropin^30M post dose gonadotropin releasing hormone
Short nameLH 30M p GnRH SerPl-mCnc
ComponentLutropin^30M post 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) 30 min after Gonadotropin Releasing Hormone, Blood

Part names

Lutropin^30M post 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.