LOINC Code 72328-8: HLA-A+B+C (class I) IgG FC Ql (S)

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-A+B+C Ab.IgG. 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
• Method: Flow cytometry

What it does not mean

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

Key facts

• HLA-A+B+C (class I) IgG Ab [Presence] in Serum by Flow cytometry (FC)
• HLA-A+B+C Ab.IgG
• IgG antibodies to HLA class I antigens (A, B, and C) can be detected by flow cytometry in serum of pre and post-transplant organ recipients. A positive result is an indication of a sensitization to HLA antigens. This code is based on, but not exclusive to, the submitter's test kit, One Lambda's FlowPRA Screening Test, which uses beads coated with common and rare purified HLA Class I or II antigens.
• A,B; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dynamic; FC; HLA ANTIGEN; HLA class I; Human Leukocyte Antigen; Immune globulin G; Immunoglobulin G; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rh Blood Group System; 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

Frequently asked questions