LOINC Code 42179-2: PLP1 gene dup Molgen 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 PLP1 gene duplication. 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: Molgen

What it does not mean

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

Key facts

• PLP1 gene duplication [Presence] in Blood or Tissue by Molecular genetics method
• PLP1 gene duplication
• Amplification; Arbitrary; Blood; Dp; Genetics; GPM6C; Heredity; Heritable; HLD1; Inherited; Lipophilin; Major myelin proteolipid protein gene; MMPL; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Ordinal; PCR; Pelizaeus-Merzbacher disease, spastic paraplegia 2, uncomplicated; PLP; PLP/DM20; PMD; Point in time; proteolipid protein 1; Ql; Qual; Qualitative; Random; Screen; SPG2; 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