LOINC Code 87552-6: IgA, IgA1 and IgA2 panel

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 IgA & IgA subclass 1 & IgA subclass 2 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

• IgA, IgA1 and IgA2 panel - Serum or Plasma
• IgA & IgA subclass 1 & IgA subclass 2 panel
• This panel contains quantitative results for IgA and IgA subclasses 1 and 2 in serum. IgA1 is the dominant subclass, accounting for over 80% of total serum IgA. IgA2 is more concentrated in secretions and thought to be more functionally active than IgA1. IgA testing may be performed for the diagnosis of abnormal protein metabolism, to determine the cause of an immune deficiency due to an IgA deficiency, or to determine the cause of an anaphylactic transfusion reaction. Such patients are found to have no detectable levels of IgA or complete deficiency of one of the IgA subclasses. A deficiency in one IgA subclass may result in a corresponding increase in the other IgA subclass. When very high levels of either IgA subclass are reported, IgA myeloma is suspected.
• Chemistry; i; IgA + IgA1 + IgA2 Pnl; IgA1; IgA2; II; Immune globulin A; Immunoglobulin A; Pan; PANEL.CHEMISTRY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Subclasses

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

Frequently asked questions