LOINC Code 21725-7: SERPINA1 gene p.Glu342Lys 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 SERPINA1 gene.p.Glu342Lys. 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

• SERPINA1 gene p.Glu342Lys [Presence] in Blood or Tissue by Molecular genetics method
• SERPINA1 gene.p.Glu342Lys
• A1A; A1AT; AAT; Alpha-1-antitrypsin deficiency; alpha1AT; Anti-elastase gene; Blood; E342V; Genetics; Glu342Lys; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Ordinal; P prime; PCR; PI; PI1; Point in time; PR; PRO2275; Protease inhibitor 1; QL; Qual; Qualitative; Random; Screen; Serine (or cysteine) proteinase inhibitor; serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 1; SERPINA1 p.E342K; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue; Z variant

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