LOINC Code 78219-3: MLL gene rearrangements FISH Ql (Bld/Tiss)

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 MLL gene rearrangements. It is commonly used with the system or sample type Bld/Tiss.

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: FISH

What it does not mean

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

Key facts

• MLL gene rearrangements [Presence] in Blood or Tissue by FISH
• MLL gene rearrangements
• This term was created for, but is not limited in use to, the Vysis LSI MLL Dual Color, Break Apart Rearrangement Probe Kit, intended for use in identifying MLL gene arrangements on chromosome region 11q23.
• ALL1; ALL-1; Blood; CXXC7; Fluorescent in situ hybridization; Genetics; Heredity; Heritable; HRX; HTRX; HTRX1; Inherited; lysine (K)-specific methyltransferase 2A; MLL; MLL/GAS7; MLL1; MLL1A; Molecular pathology; MOLPATH; MOLPATH.REARRANGEMENTS; myeloid/lymphoid or mixed-lineage leukemia (trithorax (Drosophila) homolog); Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rearr; Rearrangement; Screen; TET1-MLL; Tissue; Tissue, unspecified; TRX1; WB; WDSTS; Whole blood; Whole blood or Tissue

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