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 85066-9: E2 post dose lutropin [Mass/Vol]

Name: LOINC Code 85066-9: E2 post dose lutropin [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:13.314Z

85066-9 is a LOINC code used to identify E2 post dose lutropin [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 Estradiol^post dose lutropin. 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 Estradiol^post dose lutropin. 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

Estradiol (E2) [Mass/volume] in Serum or Plasma --post dose lutropin
Estradiol^post dose lutropin
17-beta estradiol; After; CHEMISTRY.CHALLENGE TESTING; E2; ICSH; Interstitial cell-stimulating hormone; Interstitual cell stimulating hormone; Leutinizing hormone; Level; LH; Luteinizing hormone; Lutenin; Lutenizing hormone; Mass concentration; Oestradiol; Ovulation test; p dose; p LH; 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

E2 post dose lutropin [Mass/Vol]Estradiol (E2) [Mass/volume] in Serum or Plasma --post dose lutropinEstradiol p LH SerPl-mCncEstradiol^post dose lutropinCHALEstradiol after dose Lutropin, BloodMCnc

Frequently asked questions

Code details

Code85066-9

SystemLOINC

Display nameE2 post dose lutropin [Mass/Vol]

DescriptionEstradiol^post dose lutropin

Short nameEstradiol p LH SerPl-mCnc

ComponentEstradiol^post dose lutropin

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitspg/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.58

Consumer names

Estradiol after dose Lutropin, Blood

Part names

Estradiol^post dose lutropinMCncPtSer/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.