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LOINC Code 42919-1: Insulin pre 100 g glucose PO [Mass/Vol]

42919-1 is a LOINC code used to identify Insulin pre 100 g glucose PO [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 Insulin^pre 100 g glucose PO. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Insulin^pre 100 g glucose PO. 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

  • Insulin [Mass/volume] in Serum or Plasma --pre 100 g glucose PO
  • Insulin^pre 100 g glucose PO
  • Before; CHEMISTRY.CHALLENGE TESTING; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; HUM; Humulin; IH7; Insul; Lente; Level; Mass concentration; NPH; Pl; Plasma; Plsm; Point in time; pre 100 g Glc PO; QNT; Quan; Quant; Quantitative; Random; Semilente; SerP; SerPl; SerPlas; Serum; Serum or plasma; Sliding; SR; Ultralente

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

Insulin pre 100 g glucose PO [Mass/Vol]Insulin [Mass/volume] in Serum or Plasma --pre 100 g glucose POInsulin pre 100 g Glc PO SerPl-mCncInsulin^pre 100 g glucose POCHALInsulin before 100 g glucose by mouth, BloodMCnc

Frequently asked questions

Code details

Code42919-1
SystemLOINC
Display nameInsulin pre 100 g glucose PO [Mass/Vol]
DescriptionInsulin^pre 100 g glucose PO
Short nameInsulin pre 100 g Glc PO SerPl-mCnc
ComponentInsulin^pre 100 g glucose PO
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsug/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.40

Consumer names

Insulin before 100 g glucose by mouth, Blood

Part names

Insulin^pre 100 g glucose POMCncPtSer/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.