LOINCActiveOrder

LOINC Code 94539-4: HAV IgM and total panel Ql

94539-4 is a LOINC code used to identify HAV IgM and total panel Ql 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 Hepatitis A virus Ab.IgM & total panel. 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 Hepatitis A virus Ab.IgM & total panel. 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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

Hepatitis A virus IgM and total panel - Serum or Plasma Qualitative
Hepatitis A virus Ab.IgM & total panel
Panel for qualitative Hepatitis A testing that includes results for total Hepatitis A antibody and IgM antibody. To report quantitative Hepatitis A antibody results use [LOINC53775-3].
HAV; HAV IgM + total Pnl; HAV IgM+total; Hep; Hep A; Hepatis; Hepatit; Hepatitis; Hepatitis type A; Immune globulin M; Immunoglobulin M; Microbiology; Ordinal; Pan; PANEL.MICROBIOLOGY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tot; Totl

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

HAV IgM and total panel QlHepatitis A virus IgM and total panel - Serum or Plasma QualitativeHAV IgM + total Pnl SerPlHepatitis A virus Ab.IgM & total panelPANEL.MICROHepatitis A virus (HAV) IgM and Total Panel, Blood-

Frequently asked questions

Code details

Code94539-4
SystemLOINC
Display nameHAV IgM and total panel Ql
DescriptionHepatitis A virus Ab.IgM & total panel
Short nameHAV IgM + total Pnl SerPl
ComponentHepatitis A virus Ab.IgM & total panel
Property-
TimingPt
System (specimen)Ser/Plas
ScaleOrd
ClassPANEL.MICRO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.68

Consumer names

Hepatitis A virus (HAV) IgM and Total Panel, Blood

Part names

Hepatitis A virus Ab.IgM & total panel-PtSer/PlasOrdHepatitis A virus IgM and total panelPoint 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 94539-4 | HealthAssure