LOINCActiveBoth

LOINC Code 1816-8: Acid alpha glucosidase (WBC) [Catalytic activity/Vol]

1816-8 is a LOINC code used to identify Acid alpha glucosidase (WBC) [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 WBC.

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 WBC.

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 Leukocytes
  • Acid alpha glucosidase
  • Acd; Acid A-Glucosidase; Acid maltase; Acids; Alfa; Alpha galactosidase; Alpha-1,4-glucosidase; Catalytic Concentration; Chemistry; GAA; Glucoinvertase; Glucosidosucrase; Leukocytes; Maltase; Maltase-glucoamylase; Point in time; Pompe disease; QNT; Quan; Quant; Quantitative; Random; WBCs; White blood cells

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 (WBC) [Catalytic activity/Vol]Acid alpha glucosidase [Enzymatic activity/volume] in LeukocytesAcid A-Glucosidase WBC-cCncAcid alpha glucosidaseCHEMAcid alpha glucosidase, White blood cellsCCnc

Frequently asked questions

Code details

Code1816-8
SystemLOINC
Display nameAcid alpha glucosidase (WBC) [Catalytic activity/Vol]
DescriptionAcid alpha glucosidase
Short nameAcid A-Glucosidase WBC-cCnc
ComponentAcid alpha glucosidase
PropertyCCnc
TimingPt
System (specimen)WBC
ScaleQn
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.38

Consumer names

Acid alpha glucosidase, White blood cells

Part names

Acid alpha glucosidaseCCncPtWBCQnCatalytic ConcentrationPoint in time (spot)White 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.