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 94009-8: Chloride 2 Hr post dose vasopressin [Moles/Vol]

Name: LOINC Code 94009-8: Chloride 2 Hr post dose vasopressin [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:23.054Z

94009-8 is a LOINC code used to identify Chloride 2 Hr post dose vasopressin [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 Chloride^2H post dose vasopressin. 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 Chloride^2H post dose vasopressin. 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

Chloride [Moles/volume] in Serum or Plasma --2 hours post dose vasopressin
Chloride^2H post dose vasopressin
120 min; 120 minutes; 120min; 2 hours; 2h p Vaso; ADH; Adiuretin; After; Antidiuretic hormone; Arginine vasopressin hormone; AVH; CHEMISTRY.CHALLENGE TESTING; Cl; Cl-; Level; p dose; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Substance concentration; VP

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

Chloride 2 Hr post dose vasopressin [Moles/Vol]Chloride [Moles/volume] in Serum or Plasma --2 hours post dose vasopressinChloride 2h p Vaso SerPl-sCncChloride^2H post dose vasopressinCHALChloride 2 hr after vasopressin, BloodSCnc

Frequently asked questions

Code details

Code94009-8

SystemLOINC

Display nameChloride 2 Hr post dose vasopressin [Moles/Vol]

DescriptionChloride^2H post dose vasopressin

Short nameChloride 2h p Vaso SerPl-sCnc

ComponentChloride^2H post dose vasopressin

PropertySCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsmmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.67

Last changed2.67

Consumer names

Chloride 2 hr after vasopressin, Blood

Part names

Chloride^2H post dose vasopressinSCncPtSer/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.