LOINCActiveBoth

LOINC Code 16442-6: Benzene ring IgM Qn (S)

16442-6 is a LOINC code used to identify Benzene ring IgM Qn (S) 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 Benzene ring Ab.IgM. It is commonly used with the system or sample type Ser.

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 Benzene ring Ab.IgM. It is commonly used with the system or sample type Ser.

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

  • Benzene ring IgM Ab [Units/volume] in Serum
  • Benzene ring Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cyclohexatriene; Immune globulin M; Immunoglobulin M; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; 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

Benzene ring IgM Qn (S)Benzene ring IgM Ab [Units/volume] in SerumBenzene ring IgM Ser-aCncBenzene ring Ab.IgMSEROBenzene ring IgM antibody, BloodACnc

Frequently asked questions

Code details

Code16442-6
SystemLOINC
Display nameBenzene ring IgM Qn (S)
DescriptionBenzene ring Ab.IgM
Short nameBenzene ring IgM Ser-aCnc
ComponentBenzene ring Ab.IgM
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.69

Consumer names

Benzene ring IgM antibody, Blood

Part names

Benzene ring Ab.IgMACncPtSerQnBenzene ring IgMArbitrary ConcentrationPoint in time (spot)Serum

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.

LOINC Code 16442-6 | HealthAssure