LOINCActiveBoth

LOINC Code 29395-1: Gastrin post fast [Mass/Vol]

29395-1 is a LOINC code used to identify Gastrin post fast [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 Gastrin^post CFst. 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 Gastrin^post CFst. 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

  • Gastrin [Mass/volume] in Serum or Plasma --fasting
  • Gastrin^post CFst
  • After; Calorie Fast; CHEMISTRY.CHALLENGE TESTING; Fast; Fasting; Level; Mass concentration; p fast; PC; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Total gastrins; Zollinger-Ellison syndrome

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

Gastrin post fast [Mass/Vol]Gastrin [Mass/volume] in Serum or Plasma --fastingGastrin p fast SerPl-mCncGastrin^post CFstCHALGastrin after Fast, BloodMCnc

Frequently asked questions

Code details

Code29395-1
SystemLOINC
Display nameGastrin post fast [Mass/Vol]
DescriptionGastrin^post CFst
Short nameGastrin p fast SerPl-mCnc
ComponentGastrin^post CFst
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 released2.03
Last changed2.70

Consumer names

Gastrin after Fast, Blood

Part names

Gastrin^post CFstMCncPtSer/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.

LOINC Code 29395-1 | HealthAssure