LOINCActiveBoth

LOINC Code 2978-5: Superoxide dismutase (P) [Catalytic activity/Vol]

2978-5 is a LOINC code used to identify Superoxide dismutase (P) [Catalytic activity/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 Superoxide dismutase. It is commonly used with the system or sample type Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Superoxide dismutase. 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: Both

What it does not mean

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

Key facts

  • Superoxide dismutase [Enzymatic activity/volume] in Plasma
  • Superoxide dismutase
  • Catalytic Concentration; Chemistry; HSOD; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SOD

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

Superoxide dismutase (P) [Catalytic activity/Vol]Superoxide dismutase [Enzymatic activity/volume] in PlasmaSOD Plas-cCncSuperoxide dismutaseCHEMSuperoxide dismutase, BloodCCnc

Frequently asked questions

Code details

Code2978-5
SystemLOINC
Display nameSuperoxide dismutase (P) [Catalytic activity/Vol]
DescriptionSuperoxide dismutase
Short nameSOD Plas-cCnc
ComponentSuperoxide dismutase
PropertyCCnc
TimingPt
System (specimen)Plas
ScaleQn
ClassCHEM
Example unitsnmol/10*7
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.44

Consumer names

Superoxide dismutase, Blood

Part names

Superoxide dismutaseCCncPtPlasQnCatalytic 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 2978-5 | HealthAssure