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LOINC Code 21110-2: Beta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total (Bld) [Catalytic fraction]

21110-2 is a LOINC code used to identify Beta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total (Bld) [Catalytic fraction] 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.B/Beta-N-acetylhexosaminidase.total. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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.B/Beta-N-acetylhexosaminidase.total. It is commonly used with the system or sample type Bld.

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: Observation

What it does not mean

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

Key facts

  • Beta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total in Blood
  • Beta-N-acetylhexosaminidase.B/Beta-N-acetylhexosaminidase.total
  • B; Blood; B-NAH; Catalytic Fraction; Chemistry; GM2-gangliosidosis; Hex A; Hex B; HEXA; Hexosaminidase; Hexosaminidase B; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Sandhoff disease; Tay Sachs Disease; Tot; Totl; WB; Whole blood

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.B/Beta-n-acetylhexosaminidase.total (Bld) [Catalytic fraction]Beta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total in BloodHexosaminidase B CFr BldBeta-N-acetylhexosaminidase.B/Beta-N-acetylhexosaminidase.totalCHEMBeta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total, BloodCFr

Frequently asked questions

Code details

Code21110-2
SystemLOINC
Display nameBeta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total (Bld) [Catalytic fraction]
DescriptionBeta-N-acetylhexosaminidase.B/Beta-N-acetylhexosaminidase.total
Short nameHexosaminidase B CFr Bld
ComponentBeta-N-acetylhexosaminidase.B/Beta-N-acetylhexosaminidase.total
PropertyCFr
TimingPt
System (specimen)Bld
ScaleQn
ClassCHEM
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.70

Consumer names

Beta-N-acetylhexosaminidase.B/Beta-n-acetylhexosaminidase.total, Blood

Part names

Beta-N-acetylhexosaminidase.B/Beta-N-acetylhexosaminidase.totalCFrPtBldQnCatalytic FractionPoint in time (spot)Blood

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.