LOINCActiveBoth

LOINC Code 17456-5: Phosphatidylinositol IgM Ql (S)

17456-5 is a LOINC code used to identify Phosphatidylinositol IgM 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 Phosphatidylinositol Ab.IgM. 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 Phosphatidylinositol Ab.IgM. 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: Both

What it does not mean

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

Key facts

  • Phosphatidylinositol IgM Ab [Presence] in Serum
  • Phosphatidylinositol Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; aPI; Autoantibodies; Autoantibody; COAGULATION; Hematology; Heme; Immune globulin M; Immunoglobulin M; Ordinal; Phosphatidyl Inositol; PI; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; 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

Phosphatidylinositol IgM Ql (S)Phosphatidylinositol IgM Ab [Presence] in SerumPI IgM Ser QlPhosphatidylinositol Ab.IgMCOAGPhosphatidylinositol IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code17456-5
SystemLOINC
Display namePhosphatidylinositol IgM Ql (S)
DescriptionPhosphatidylinositol Ab.IgM
Short namePI IgM Ser Ql
ComponentPhosphatidylinositol Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Phosphatidylinositol IgM antibody, Blood

Part names

Phosphatidylinositol Ab.IgMPrThrPtSerOrdPhosphatidylinositol IgMPresence or ThresholdPoint in time (spot)Serum

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 17456-5 | HealthAssure