LOINC Code 77639-3: HLA class I and II IgG panel IA

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 HLA class I & II Ab.IgG 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
• Method: IA

What it does not mean

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

Key facts

• HLA class I and II IgG panel - Serum or Plasma by Immunoassay
• HLA class I & II Ab.IgG panel
• This panel is used to report the results of HLA class I and II antibody testing. It includes terms for reporting the presence of class I and II antibodies as well as the type of antibodies found in each class.
• 2; EIA; ELFA; ELISA; Enzyme immunoassay; HLA ANTIGEN; HLA class I + II; HLA class I + II IgG Pnl; Human Leukocyte Antigen; IAA; Immune globulin G; Immunoglobulin G; MEIA; Pan; PANEL.HLA; Panl; Pl; Plasma; Plsm; Pnl; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Frequently asked questions