LOINCActiveBoth

LOINC Code 48430-3: Carnitine Unsp time (Sem) [Molar amount]

48430-3 is a LOINC code used to identify Carnitine Unsp time (Sem) [Molar amount] 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 Carnitine. It is commonly used with the system or sample type Semen.

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 Carnitine. It is commonly used with the system or sample type Semen.

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

  • Carnitine [Molar amount] in unspecified time Semen
  • Carnitine
  • "Carnitine" is an alternative way to say total carnitines which = free carnitine + acylcarnitines, or stated another way, unesterified + esterified carnitine.
  • ?Tm; Carnitine.total; Chemistry; Ejaculate; Genitourinary; GU; QNT; Quan; Quant; Quantitative; Sem; Seminal fluid; Smn; SMPLS; Substance amount; URO; Urology

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

Carnitine Unsp time (Sem) [Molar amount]Carnitine [Molar amount] in unspecified time SemenCarnitine ?Tm sub Smn QnCarnitineCHEMCarnitine, SemenSub

Frequently asked questions

Code details

Code48430-3
SystemLOINC
Display nameCarnitine Unsp time (Sem) [Molar amount]
DescriptionCarnitine
Short nameCarnitine ?Tm sub Smn Qn
ComponentCarnitine
PropertySub
TimingXXX
System (specimen)Semen
ScaleQn
ClassCHEM
Example unitsumol/ejaculate
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.70

Consumer names

Carnitine, Semen

Part names

CarnitineSubXXXSemenQnSubstance AmountUnspecified

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.

LOINC Code 48430-3 | HealthAssure