LOINC Code 73309-7: Levodopa induced platelet IgG FC Ql

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 Levodopa induced platelet Ab.IgG. 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: Both
• Method: Flow cytometry

What it does not mean

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

Key facts

• Levodopa induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
• Levodopa induced platelet Ab.IgG
• 3,4-Dihydroxyphenylalanine; 3-Hydroxy-L-tyrosine; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Circulating platelet ab; Dihydroxyphenylalanine; Dynamic; FC; Immune globulin G; Immunoglobulin G; ind plt Ab; ind plt IgG; L-Dopa; Levo-dopa; Ordinal; Pl; Plasma; Platelet ab.free; Platelet auto-antibodies; Platelets; Platelt; Plsm; Plt; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; Sinemet; SR; Thrombocyte; Thrombocytes

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