LOINCActiveObservation

LOINC Code 72922-8: HNA 1a/1a Ab IA Ql (S)

72922-8 is a LOINC code used to identify HNA 1a/1a Ab IA Ql (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 HNA 1a-1a Ab. 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 HNA 1a-1a Ab. 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: Observation
  • Method: IA

What it does not mean

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

Key facts

  • HNA 1a/1a Ab [Presence] in Serum by Immunoassay
  • HNA 1a-1a Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; Human Neutrophil Antigen; Human Neutrophil Antigens; IAA; MEIA; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; 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

HNA 1a/1a Ab IA Ql (S)HNA 1a/1a Ab [Presence] in Serum by ImmunoassayHNA 1a-1a Ab Ser Ql IAHNA 1a-1a AbHNAHNA 1a/1a antibody, BloodPrThr

Frequently asked questions

Code details

Code72922-8
SystemLOINC
Display nameHNA 1a/1a Ab IA Ql (S)
DescriptionHNA 1a-1a Ab
Short nameHNA 1a-1a Ab Ser Ql IA
ComponentHNA 1a-1a Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassHNA
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.56

Consumer names

HNA 1a/1a antibody, Blood

Part names

HNA 1a-1a AbPrThrPtSerOrdIAHNA 1a/1a AbPresence or ThresholdPoint in time (spot)SerumImmunoassay

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.