What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 1814-3: Acid alpha glucosidase (Sem) [Catalytic activity/Vol]

Name: LOINC Code 1814-3: Acid alpha glucosidase (Sem) [Catalytic activity/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:27.585Z

1814-3 is a LOINC code used to identify Acid alpha glucosidase (Sem) [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 Acid alpha glucosidase. It is commonly used with the system or sample type Semen.

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 Acid alpha glucosidase. It is commonly used with the system or sample type Semen.

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

Acid alpha glucosidase [Enzymatic activity/volume] in Semen
Acid alpha glucosidase
Acd; Acid A-Glucosidase; Acid maltase; Acids; Alfa; Alpha galactosidase; Alpha-1,4-glucosidase; Catalytic Concentration; Chemistry; Ejaculate; GAA; Genitourinary; Glucoinvertase; Glucosidosucrase; GU; Maltase; Maltase-glucoamylase; Point in time; Pompe disease; QNT; Quan; Quant; Quantitative; Random; Sem; Seminal fluid; Smn; SMPLS; URO; Urology

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

Acid alpha glucosidase (Sem) [Catalytic activity/Vol]Acid alpha glucosidase [Enzymatic activity/volume] in SemenAcid A-Glucosidase Smn-cCncAcid alpha glucosidaseCHEMAcid alpha glucosidase, SemenCCnc

Frequently asked questions

Code details

Code1814-3

SystemLOINC

Display nameAcid alpha glucosidase (Sem) [Catalytic activity/Vol]

DescriptionAcid alpha glucosidase

Short nameAcid A-Glucosidase Smn-cCnc

ComponentAcid alpha glucosidase

PropertyCCnc

TimingPt

System (specimen)Semen

ScaleQn

ClassCHEM

Example unitsarb U/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.68

Consumer names

Acid alpha glucosidase, Semen

Part names

Acid alpha glucosidaseCCncPtSemenQnCatalytic ConcentrationPoint 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.