LOINC

LOINC Code 2300-2: Aldolase (S) [Catalytic activity/Vol]

2300-2 is a LOINC code used to identify Aldolase (S) [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 Aldolase. It is commonly used with the system or sample type Ser.

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 Aldolase. It is commonly used with the system or sample type Ser.

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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated FRUCTOSE BIPHOSPHATE ALDOLASE [Enzymatic activity/volume] in Serum
  • Aldolase
  • Catalytic Concentration; Chemistry; Fructose Aldolase; Fructose Biphosphate Aldolase; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

Aldolase (S) [Catalytic activity/Vol]Deprecated FRUCTOSE BIPHOSPHATE ALDOLASE [Enzymatic activity/volume] in SerumDeprecated Aldolase Ser-cCncAldolaseCHEMAldolase, BloodCCnc

Frequently asked questions

Code details

Code2300-2
SystemLOINC
Display nameAldolase (S) [Catalytic activity/Vol]
DescriptionAldolase
Short nameDeprecated Aldolase Ser-cCnc
ComponentAldolase
PropertyCCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassCHEM
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.40

Consumer names

Aldolase, Blood

Part names

AldolaseCCncPtSerQnCatalytic ConcentrationPoint in time (spot)Serum

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 2300-2 | HealthAssure