LOINCActiveObservation

LOINC Code 47198-7: Vasopressin 1st specimen post Unsp challenge (P) [Mass/Vol]

47198-7 is a LOINC code used to identify Vasopressin 1st specimen post Unsp challenge (P) [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 Vasopressin^1st specimen post XXX challenge. It is commonly used with the system or sample type 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 Vasopressin^1st specimen post XXX challenge. It is commonly used with the system or sample type 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

  • Vasopressin [Mass/volume] in Plasma --1st specimen post XXX challenge
  • Vasopressin^1st specimen post XXX challenge
  • Acute specimen; ADH; Adiuretin; After; Antidiuretic hormone; Arginine vasopressin hormone; AVH; CHEMISTRY.CHALLENGE TESTING; First; Level; Mass concentration; p chal; Pl; Plasma; Plsm; Point in time; Pre immunization; PST; QNT; Quan; Quant; Quantitative; Random; sp1; sp1 p chal; Spec; 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

Vasopressin 1st specimen post Unsp challenge (P) [Mass/Vol]Vasopressin [Mass/volume] in Plasma --1st specimen post XXX challengeVasopressin sp1 p chal Plas-mCncVasopressin^1st specimen post XXX challengeCHALVasopressin 1st specimen after challenge, BloodMCnc

Frequently asked questions

Code details

Code47198-7
SystemLOINC
Display nameVasopressin 1st specimen post Unsp challenge (P) [Mass/Vol]
DescriptionVasopressin^1st specimen post XXX challenge
Short nameVasopressin sp1 p chal Plas-mCnc
ComponentVasopressin^1st specimen post XXX challenge
PropertyMCnc
TimingPt
System (specimen)Plas
ScaleQn
ClassCHAL
Example unitspg/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.70

Consumer names

Vasopressin 1st specimen after challenge, Blood

Part names

Vasopressin^1st specimen post XXX challengeMCncPtPlasQnMass ConcentrationPoint in time (spot)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 47198-7 | HealthAssure