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 29542-8: Beta-N-acetylhexosaminidase (Amn fld cells) [Catalytic activity/Mass]

Name: LOINC Code 29542-8: Beta-N-acetylhexosaminidase (Amn fld cells) [Catalytic activity/Mass]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:15.474Z

29542-8 is a LOINC code used to identify Beta-N-acetylhexosaminidase (Amn fld cells) [Catalytic activity/Mass] 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 Beta-N-acetylhexosaminidase. It is commonly used with the system or sample type Amnio fld cells.

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 Beta-N-acetylhexosaminidase. It is commonly used with the system or sample type Amnio fld cells.

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

Beta-N-acetylhexosaminidase [Enzymatic activity/mass] in Amniotic fluid cells
Beta-N-acetylhexosaminidase
AF; Amn; Amn fl; Amnc; Amnio; Amniotic flu; Amniotic fluid; Amniotic fluid cells; B; B-NAH; Catalytic Content; Chemistry; GM2-gangliosidosis; Hex A; Hex B; HEXA; Hexosaminidase; Point in time; QNT; Quan; Quant; Quantitative; Random; Sandhoff disease; Tay Sachs Disease

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

Beta-N-acetylhexosaminidase (Amn fld cells) [Catalytic activity/Mass]Beta-N-acetylhexosaminidase [Enzymatic activity/mass] in Amniotic fluid cellsB-NAH Amnc-cCntBeta-N-acetylhexosaminidaseCHEMBeta-N-acetylhexosaminidase, Amniotic fluid cellsCCnt

Frequently asked questions

Code details

Code29542-8

SystemLOINC

Display nameBeta-N-acetylhexosaminidase (Amn fld cells) [Catalytic activity/Mass]

DescriptionBeta-N-acetylhexosaminidase

Short nameB-NAH Amnc-cCnt

ComponentBeta-N-acetylhexosaminidase

PropertyCCnt

TimingPt

System (specimen)Amnio fld cells

ScaleQn

ClassCHEM

Example unitsU/g protein

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.03

Last changed2.70

Consumer names

Beta-N-acetylhexosaminidase, Amniotic fluid cells

Part names

Beta-N-acetylhexosaminidaseCCntPtAmnio fld cellsQnCatalytic ContentPoint in time (spot)Amniotic fluid 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.