LOINC Code 49654-7: TPMT gene c.238G>C 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 TPMT gene.c.238G>C. 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

• TPMT gene c.238G>C [Presence] in Blood or Tissue by Molecular genetics method
• TPMT gene.c.238G>C
• Blood; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.PHARMG; Ordinal; PCR; Point in time; PR; QL; Qual; Qualitative; Random; Screen; thiopurine S-methyltransferase; Thiopurine S-methyltransferase gene; Tissue; Tissue, unspecified; TPMT c.238G>C; 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