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 88992-3: Ustekinumab Ab IA [Mass/Vol]

Name: LOINC Code 88992-3: Ustekinumab Ab IA [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:18.533Z

88992-3 is a LOINC code used to identify Ustekinumab Ab IA [Mass/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 Ustekinumab Ab. 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 Ustekinumab Ab. 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
Method: IA

What it does not mean

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

Key facts

Ustekinumab Ab [Mass/volume] in Serum or Plasma by Immunoassay
Ustekinumab Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; DRUG/TOXICOLOGY; Drugs; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; Level; Mass concentration; MEIA; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; STELARA®; SUDS

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

Ustekinumab Ab IA [Mass/Vol]Ustekinumab Ab [Mass/volume] in Serum or Plasma by ImmunoassayUstekinumab Ab SerPl IA-mCncUstekinumab AbDRUG/TOXUstekinumab antibody, BloodMCnc

Frequently asked questions

Code details

Code88992-3

SystemLOINC

Display nameUstekinumab Ab IA [Mass/Vol]

DescriptionUstekinumab Ab

Short nameUstekinumab Ab SerPl IA-mCnc

ComponentUstekinumab Ab

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodIA

ClassDRUG/TOX

Example unitsng/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.64

Last changed2.73

Consumer names

Ustekinumab antibody, Blood

Part names

Ustekinumab AbMCncPtSer/PlasQnIAMass ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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.