LOINCActiveObservation

LOINC Code 50466-2: C peptide 6th specimen [Moles/Vol]

50466-2 is a LOINC code used to identify C peptide 6th specimen [Moles/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 C peptide^6th specimen. 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 C peptide^6th specimen. 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

  • C peptide [Moles/volume] in Serum or Plasma --6th specimen
  • C peptide^6th specimen
  • CHEMISTRY.CHALLENGE TESTING; Connecting peptide of insulin; Level; Pept; Pl; Plasma; Plsm; Point in time; Pro-insulin c peptide; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; sp6; Spec; SR; Substance concentration

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

C peptide 6th specimen [Moles/Vol]C peptide [Moles/volume] in Serum or Plasma --6th specimenC peptide sp6 SerPl-sCncC peptide^6th specimenCHALC peptide specimen 6, BloodSCnc

Frequently asked questions

Code details

Code50466-2
SystemLOINC
Display nameC peptide 6th specimen [Moles/Vol]
DescriptionC peptide^6th specimen
Short nameC peptide sp6 SerPl-sCnc
ComponentC peptide^6th specimen
PropertySCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsnmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.34

Consumer names

C peptide specimen 6, Blood

Part names

C peptide^6th specimenSCncPtSer/PlasQnSubstance 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.

LOINC Code 50466-2 | HealthAssure