LOINCActiveObservation

LOINC Code 32345-1: Uroporphyrin (RBC) [Moles/Vol]

32345-1 is a LOINC code used to identify Uroporphyrin (RBC) [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 Uroporphyrin. It is commonly used with the system or sample type RBC.

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 Uroporphyrin. It is commonly used with the system or sample type RBC.

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

  • Uroporphyrin [Moles/volume] in Red Blood Cells
  • Uroporphyrin
  • Chemistry; Erythrocytes; Hematology; Heme; Level; Octacarboxyl porphyrin; Octacarboxylporphyrin; Octacarboxyphyrin; Point in time; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles; Substance concentration; Urophorph

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

Uroporphyrin (RBC) [Moles/Vol]Uroporphyrin [Moles/volume] in Red Blood CellsUropor RBC-sCncUroporphyrinCHEMUroporphyrin, Red blood cellsSCnc

Frequently asked questions

Code details

Code32345-1
SystemLOINC
Display nameUroporphyrin (RBC) [Moles/Vol]
DescriptionUroporphyrin
Short nameUropor RBC-sCnc
ComponentUroporphyrin
PropertySCnc
TimingPt
System (specimen)RBC
ScaleQn
ClassCHEM
Example unitsnmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.70

Consumer names

Uroporphyrin, Red blood cells

Part names

UroporphyrinSCncPtRBCQnSubstance ConcentrationPoint in time (spot)Red Blood Cells

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.