LOINCActiveObservation

LOINC Code 30898-1: Plasma volume Scint

30898-1 is a LOINC code used to identify Plasma volume Scint 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 Plasma volume. It is commonly used with the system or sample type ^Patient.

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 Plasma volume. It is commonly used with the system or sample type ^Patient.

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
  • Method: Radnuc

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Plasma volume by Scintigraphy
  • Plasma volume
  • Total plasma volume determined using Iodine-125 labeled human serum albumin
  • Chemistry; Nuclear medicine; Point in time; PV; QNT; Quan; Quant; Quantitative; Radionuclide scan; Random; RI; Scintigraphy; Vol; Volume

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

Plasma volume ScintPlasma volume by ScintigraphyPlasma Vol RIPlasma volumeCHEMVolPt

Frequently asked questions

Code details

Code30898-1
SystemLOINC
Display namePlasma volume Scint
DescriptionPlasma volume
Short namePlasma Vol RI
ComponentPlasma volume
PropertyVol
TimingPt
System (specimen)^Patient
ScaleQn
MethodRadnuc
ClassCHEM
Example unitsmL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.56

Consumer names

Plasma volume

Part names

Plasma volumeVolPt^PatientQnRadnucVolumePoint in time (spot)

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 30898-1 | HealthAssure