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 38475-0: Acid alpha glucosidase [Catalytic activity/Vol]

Name: LOINC Code 38475-0: Acid alpha glucosidase [Catalytic activity/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:26.144Z

38475-0 is a LOINC code used to identify Acid alpha glucosidase [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 Ser/Plas.

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 Ser/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

Acid alpha glucosidase [Enzymatic activity/volume] in Serum or Plasma
Acid alpha glucosidase
Acd; Acid A-Glucosidase; Acid maltase; Acids; Alfa; Alpha galactosidase; Alpha-1,4-glucosidase; Catalytic Concentration; Chemistry; GAA; Glucoinvertase; Glucosidosucrase; Maltase; Maltase-glucoamylase; Pl; Plasma; Plsm; Point in time; Pompe disease; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Acid alpha glucosidase [Catalytic activity/Vol]Acid alpha glucosidase [Enzymatic activity/volume] in Serum or PlasmaAcid A-Glucosidase SerPl-cCncAcid alpha glucosidaseCHEMAcid alpha glucosidase, BloodCCnc

Frequently asked questions

Code details

Code38475-0

SystemLOINC

Display nameAcid alpha glucosidase [Catalytic activity/Vol]

DescriptionAcid alpha glucosidase

Short nameAcid A-Glucosidase SerPl-cCnc

ComponentAcid alpha glucosidase

PropertyCCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHEM

Example unitsnmol/mL/H

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.14

Last changed2.70

Consumer names

Acid alpha glucosidase, Blood

Part names

Acid alpha glucosidaseCCncPtSer/PlasQnCatalytic ConcentrationPoint in time (spot)Serum or 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.