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LOINC Code 25645-3: Follitropin 30 Min post 100 ug luteinizing releasing hormone IV Qn

25645-3 is a LOINC code used to identify Follitropin 30 Min post 100 ug luteinizing releasing hormone IV 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 Follitropin^30M post 100 ug luteinizing releasing hormone IV. 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 Follitropin^30M post 100 ug luteinizing releasing hormone IV. 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

  • Follitropin [Units/volume] in Serum or Plasma --30 minutes post 100 ug luteinizing releasing hormone IV
  • Follitropin^30M post 100 ug luteinizing releasing hormone IV
  • 30M p 100 ug LRH IV; After; Arbitrary concentration; CHEMISTRY.CHALLENGE TESTING; Follicle stimulating hormone; FSH; Horm; mcg; 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

Follitropin 30 Min post 100 ug luteinizing releasing hormone IV QnFollitropin [Units/volume] in Serum or Plasma --30 minutes post 100 ug luteinizing releasing hormone IVFSH 30M p 100 ug LRH IV SerPl-aCncFollitropin^30M post 100 ug luteinizing releasing hormone IVCHALFollitropin (FSH; Follicle Stimulating Hormone) 30 min after 100 ug luteinizing releasing hormone intravenous, BloodACnc

Frequently asked questions

Code details

Code25645-3
SystemLOINC
Display nameFollitropin 30 Min post 100 ug luteinizing releasing hormone IV Qn
DescriptionFollitropin^30M post 100 ug luteinizing releasing hormone IV
Short nameFSH 30M p 100 ug LRH IV SerPl-aCnc
ComponentFollitropin^30M post 100 ug luteinizing releasing hormone IV
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsIU/L;mIU/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.69

Consumer names

Follitropin (FSH; Follicle Stimulating Hormone) 30 min after 100 ug luteinizing releasing hormone intravenous, Blood

Part names

Follitropin^30M post 100 ug luteinizing releasing hormone IVACncPtSer/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.