What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 35320-1: Protein 4th specimen post Sincalide (Body fld) [Mass/Vol]

Name: LOINC Code 35320-1: Protein 4th specimen post Sincalide (Body fld) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:22.391Z

35320-1 is a LOINC code used to identify Protein 4th specimen post Sincalide (Body fld) [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 Protein^4th specimen post dose sincalide. It is commonly used with the system or sample type Body fld.

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 Protein^4th specimen post dose sincalide. It is commonly used with the system or sample type Body fld.

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

Protein [Mass/volume] in Body fluid --4th specimen post Sincalide
Protein^4th specimen post dose sincalide
After; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; CHEMISTRY.CHALLENGE TESTING; Fl; Fld; FLU; Fluid; Kinevac; Level; Mass concentration; p dose; Point in time; PR; Prot; PST; QNT; Quan; Quant; Quantitative; Random; sp4; sp4 p sincalide; Spec

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

Protein 4th specimen post Sincalide (Body fld) [Mass/Vol]Protein [Mass/volume] in Body fluid --4th specimen post SincalideProt sp4 p sincalide Fld-mCncProtein^4th specimen post dose sincalideCHALProtein 4th specimen after Sincalide, Body fluidMCnc

Frequently asked questions

Code details

Code35320-1

SystemLOINC

Display nameProtein 4th specimen post Sincalide (Body fld) [Mass/Vol]

DescriptionProtein^4th specimen post dose sincalide

Short nameProt sp4 p sincalide Fld-mCnc

ComponentProtein^4th specimen post dose sincalide

PropertyMCnc

TimingPt

System (specimen)Body fld

ScaleQn

ClassCHAL

Example unitsg/dL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.13

Last changed2.42

Consumer names

Protein 4th specimen after Sincalide, Body fluid

Part names

Protein^4th specimen post dose sincalideMCncPtBody fldQnMass ConcentrationPoint in time (spot)Body fluid

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.