LOINCActiveObservation

LOINC Code 104486-6: Human platelet antigen report Document

104486-6 is a LOINC code used to identify Human platelet antigen report Document 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 Human platelet antigen report. It is commonly used with the system or sample type ^Patient.

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 Human platelet antigen report. It is commonly used with the system or sample type ^Patient.

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

  • Human platelet antigen report Document
  • Human platelet antigen report
  • Ag; DOC.MISC; Document; Finding; Findings; HPA rpt; MISC; Pl; Platelets; Platelt; Plt; Point in time; Random; Thrombocyte; Thrombocytes

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

Human platelet antigen report DocumentHPA rpt DocHuman platelet antigen reportDOC.MISCFindPt^Patient

Frequently asked questions

Code details

Code104486-6
SystemLOINC
Display nameHuman platelet antigen report Document
DescriptionHuman platelet antigen report
Short nameHPA rpt Doc
ComponentHuman platelet antigen report
PropertyFind
TimingPt
System (specimen)^Patient
ScaleDoc
ClassDOC.MISC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Part names

Human platelet antigen reportFindPt^PatientDocFindingPoint in time (spot)

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 104486-6 | HealthAssure