LOINCActiveObservation

LOINC Code 34960-5: HLA Ab Nom

34960-5 is a LOINC code used to identify HLA Ab Nom 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 HLA 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 HLA 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: Observation

What it does not mean

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

Key facts

  • HLA Ab [Identifier] in Serum or Plasma
  • HLA Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cytotoxic-lymphocytic antibody; HLA ANTIGEN; Human Leukocyte Antigen; Identity or presence; Lymphocyte antibody; Lymphocytotoxic antibody; Nominal; Panel Reactive AB; Panel Reactive antibody; Pl; Plasma; Plsm; Point in time; PRA; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

HLA Ab NomHLA Ab [Identifier] in Serum or PlasmaHLA Ab SerPlHLA AbHLAHLA antibody, BloodPrid

Frequently asked questions

Code details

Code34960-5
SystemLOINC
Display nameHLA Ab Nom
DescriptionHLA Ab
Short nameHLA Ab SerPl
ComponentHLA Ab
PropertyPrid
TimingPt
System (specimen)Ser/Plas
ScaleNom
ClassHLA
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.73

Consumer names

HLA antibody, Blood

Part names

HLA AbPridPtSer/PlasNomPresence or IdentityPoint in time (spot)Serum or Plasma

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 34960-5 | HealthAssure