LOINC Code 21649-9: CBS gene mutations tested for Molgen Nom (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 CBS gene mutations tested for. 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: Observation
• Method: Molgen

What it does not mean

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

Key facts

• CBS gene mutations tested for in Blood or Tissue by Molecular genetics method Nominal
• CBS gene mutations tested for
• Blood; Cystathionine-beta-synthase; Gene mut tested; Genetics; Heredity; Heritable; HIP4; Identity or presence; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Mut; Mut Tested; Mutation; Muts; Nominal; PCR; Point in time; Pyridoxine responsive homocystinuria; Random; Tissue; Tissue, unspecified; WB; 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